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Microsoft Patch Tuesday, September 2026 Security Update Review

Microsoft's September 2026 Patch Tuesday fixes 974 vulnerabilities, including 113 critical and two actively exploited Windows privilege escalation flaws.

Microsoft's September 2026 Patch Tuesday fixes 974 vulnerabilities, its largest release ever, including 113 critical and 860 important, covering Windows HTTP.sys, Hyper-V, Entra ID, Exchange Server, Office, DNS, and more. Two zero-days are confirmed exploited in the wild: CVE-2026-81963 (Windows Update Stack EoP) and CVE-2026-85880 (ALPC heap overflow), both letting authenticated attackers gain SYSTEM privileges. Notable criticals include an Entra ID authentication bypass (CVE-2026-62916) and multiple Windows DNS Server and Office remote code execution flaws.

Qualys ThreatPROTECT · 6d agoVulnerability in the wildCVE-2026-81963CVE-2026-85880CVE-2026-58599+27 CVEs

Threat Matrix: Mapping threats across cloud web applications

Microsoft released a Cloud Web Applications Threat Matrix, a MITRE ATT&CK-aligned framework mapping threats to cloud-hosted web apps and serverless platforms.

Microsoft introduced the cloud web applications threat matrix, which organizes attack techniques for cloud-hosted web apps and serverless platforms using MITRE ATT&CK tactics, from resource development through impact. The framework covers attack paths spanning application code, managed runtimes, workload identities, and deployment pipelines, cataloging techniques such as subdomain takeover, code injection in connected repositories, compromised registry images, exposed admin interfaces, and serverless trigger injection. It builds on Microsoft's earlier Kubernetes and storage services matrices to help defenders identify visibility gaps, prioritize hardening, and plan investigations in cloud-native environments.

Microsoft Security Blog · 6d agoTools

Android Security Update September 2026 – Fix for Critical Flaws that Enable RCE Attacks

Google's September 2026 Android bulletin fixes over 30 critical flaws, including no-interaction system RCEs, a TIPC kernel RCE and a Qualcomm closed-source bug

Google's Android Security Bulletin for September 2026 (patch levels 2026-09-01 and 2026-09-05) fixes numerous critical System remote code execution flaws, including CVE-2026-28604, CVE-2026-28618, CVE-2026-28639, CVE-2026-28662, CVE-2026-49882, CVE-2026-49884, CVE-2026-49919 and CVE-2026-49921, none requiring user interaction or additional privileges. It also addresses critical kernel issues including a TIPC RCE (CVE-2026-52993) and elevation-of-privilege flaws in NFC and protected KVM, plus a critical Qualcomm closed-source component flaw (CVE-2026-25289). Affected versions span Android 14 through 17; the 2026-09-05 patch level extends coverage to Android TV and chipset components, with high-severity fixes for Arm Mali, PowerVR, MediaTek, Unisoc and Qualcomm components.

Cyber Security News · 6d agoAdvisoryCVE-2026-28666CVE-2026-55273CVE-2026-49932+27 CVEs

Palo Alto PAN-OS Vulnerability Enables Arbitrary Code Execution as Root User

Palo Alto Networks patched CVE-2026-0310, an unauthenticated XML-processing buffer overflow in PAN-OS allowing root code execution on PA-Series firewalls.

Palo Alto Networks disclosed CVE-2026-0310, an out-of-bounds write (CWE-787) in PAN-OS XML processing with a CVSS-B base score of 9.2 and CVSS-BT of 7.2. An unauthenticated attacker with network access to a vulnerable management or dataplane interface can send crafted XML to execute arbitrary code as root on PA-Series appliances. On VM-Series the impact is limited to denial-of-service, while Prisma Access and Cloud NGFW require authentication and carry lower risk. Fixed releases include 12.2.3, 12.1.10, 11.2.13-h2, 11.1.16-h2, and 10.2.18-h10; no workaround exists beyond restricting management interface access.

Cyber Security Newsupdated · 5d agofirst · 5d agoVulnerability 3 sourcesCVE-2026-0310

Weekly Cybersecurity Newsletter – Top 50 Biggest Cybersecurity Stories of the Week

GBHackers weekly digest rounds up 50 stories including Microsoft's 973-CVE patch drop, exploited Cisco FMC flaws, and Claude agent attacks.

GBHackers' September 7-12, 2026 newsletter summarizes the 50 biggest cybersecurity stories of the week. Highlights include Microsoft patching a record 973 CVEs with two exploited zero-days, active exploitation of Cisco FMC, Check Point VPN and Ivanti flaws, China-linked crews chaining Chrome and Windows zero-days, AI agents mass-exploiting PaperCut to compromise 440 servers, and the emergence of Panzer cross-platform ransomware. It also covers Anthropic and OpenAI agentic AI incidents and CrowdStrike's SafeMind launch.

GBHackers · 23h agoIndustry in the wild

Critical ArangoDB Flaws Allow Authentication Bypass and Remote Code Execution as Root

Two critical ArangoDB flaws (CVSS 9.8 and 9.9) enable unauthenticated API access and root code execution; fixes shipped in version 3.12.11

Remedio researchers found two ArangoDB flaws: GHSA-rrgq-978q-36mq (CVSS 9.8), an authentication bypass caused by the server inconsistently interpreting URL-encoded '/_api' paths, and GHSA-rvhw-4hpw-9vrx (CVSS 9.9), which lets users with database write access run JavaScript tasks with root privileges via the isSystem flag. Chained, they allow administrative database access without credentials, theft of the root password hash, and root code execution, exposing files such as /etc/shadow, TLS keys and cluster signing material on the official container image. ArangoDB shipped fixes in version 3.12.11 on August 31, 2026, with advisories published September 6; CVE identifiers were still pending. Users on 3.12.10.1 or earlier should upgrade, restrict exposure and rotate potentially exposed credentials.

Cyber Security News · 6d agoVulnerability 2 sources

Critical ArangoDB Bugs Expose Entire Databases and Enable Remote Code Execution as Root

Two critical ArangoDB flaws (CVSS 9.8/9.9) allow unauthenticated API access and root-level code execution; fixed in 3.12.11.

Remedio researchers reported two critical ArangoDB flaws on August 23, 2026: an authentication bypass via URL-encoded underscores (%5f) in path parsing (GHSA-rrgq-978q-36mq, CVSS 9.8) and a task-execution flaw where a client-controlled isSystem flag lets JavaScript run in the internal context (GHSA-rvhw-4hpw-9vrx, CVSS 9.9). Chained, they allow unauthenticated database access, theft of root password hashes, and root-level code execution when arangod runs as root, such as in the official container image. Patches shipped August 31 in ArangoDB 3.12.11, with GitHub Security Advisories published September 6; CVE identifiers were pending at disclosure time.

GBHackersupdated · 6d agofirst · 6d agoVulnerability 2 sources1

Off Guard: Breaking LiteLLM from authentication bypass to cloud compromise

Wiz found LiteLLM auth bypass (CVE-2026-59822) and post-auth RCE (CVE-2026-59821) chainable to cloud compromise; the bypass is in CISA KEV with in-the-wild exploitation.

Wiz scanned roughly 3,074 internet-facing LiteLLM deployments and found 9.6% accepted the default master key sk-1234 or required no authentication, making post-auth attacks effectively pre-auth. The MCP endpoint accepts any Bearer token and grants a valid session (CVE-2026-59822), confirmed exploited in the wild via honeypots and added to CISA's Known Exploited Vulnerabilities catalog. Custom code guardrails allow post-auth root-level RCE via exec(compile(...)) (CVE-2026-59821), while pass-through endpoints lack URL validation, enabling cloud credential theft in post-auth scenarios. All assigned vulnerabilities have been patched; the research was presented at DEF CON 34.

Wiz Blogupdated · 5d agofirst · 6d agoExploit / PoC in the wild 4 sourcesCVE-2026-59822CVE-2026-598211

Emacs arbitrary code execution: incomplete fix for CVE-2024-53920

Incomplete fix for Emacs CVE-2024-53920 allows arbitrary code execution when viewing or editing untrusted files in non-Lisp modes like Perl flymake.

Bas Alberts of GitHub Security Lab discovered that the patch for CVE-2024-53920, an arbitrary code execution flaw in Emacs, was incomplete. Code execution remains possible when viewing or editing untrusted text files in modes other than Emacs Lisp mode, for example Perl files with flymake mode enabled. All Emacs versions affected by the original CVE remain affected by the incomplete fix.

oss-security · 1d agoVulnerabilityCVE-2024-53920

Critical GitLab Flaws Let Attackers Read Arbitrary Files, Steal Credentials and Execute Code

GitLab issues emergency patches for critical path-traversal flaw CVE-2026-85706 (CVSS 10.0), GraphQL credential exposure CVE-2026-87719, and potential RCE flaw CVE-2026-88765.

GitLab released versions 19.3.2, 19.2.6, and 19.1.8 on September 10, 2026, fixing 18 vulnerabilities across Community and Enterprise Editions. CVE-2026-85706 allows unauthenticated arbitrary file reads via the repository commits API; CVE-2026-87719 exposes Advanced Search credentials through GraphQL subscription deserialization; CVE-2026-88765 may enable authenticated RCE via crafted project export imports. No exploitation was reported, but self-managed administrators are urged to upgrade immediately and review logs for suspicious API and GraphQL activity.

GBHackers · 5d agoVulnerabilityCVE-2026-85706CVE-2026-87719CVE-2026-88765+15 CVEs1

Palo Alto PAN-OS Buffer Overflow Lets Attackers Execute Arbitrary Code as Root

Palo Alto Networks fixed CVE-2026-0310, a CVSS 9.2 unauthenticated PAN-OS buffer overflow enabling root code execution on PA-Series firewalls.

Palo Alto Networks published an advisory on September 9, 2026 for CVE-2026-0310, a CWE-787 out-of-bounds write in PAN-OS XML processing with a CVSS v4.0 base score of 9.2, affecting the management and dataplane interfaces. Unauthenticated attackers could execute arbitrary code as root on PA-Series hardware firewalls, while VM-Series faces denial-of-service impact and Prisma Access and Cloud NGFW have reduced, authenticated exposure. Affected releases include PAN-OS 10.2, 11.1, 11.2, 12.1, and 12.2 before fixed maintenance releases such as 12.2.3, 12.1.4-h10, 11.2.13-h2, 11.1.16-h2, and 10.2.18-h10; no workaround is available. Palo Alto is not aware of malicious exploitation but classifies remediation urgency as highest.

GBHackersupdated · 5d agofirst · 5d agoVulnerability 3 sourcesCVE-2026-0310

LiteLLM Flaws Let Attackers Execute Code as Root and Steal Cloud Credentials

Wiz disclosed LiteLLM flaws including CVE-2026-59822 MCP auth bypass, now in CISA KEV, enabling root RCE and AWS credential theft from exposed gateways.

Wiz researchers disclosed weaknesses in the open-source LiteLLM AI gateway: CVE-2026-59821 allows authenticated administrators to execute code as root via the Custom Code Guardrails feature, while CVE-2026-59822 is an MCP authentication bypass where a meaningless Bearer token establishes a valid session. The MCP bypass was observed in the wild through Wiz honeypots and added to CISA's Known Exploited Vulnerabilities catalog on September 2. A scan of 3,074 internet-facing instances found 294 (9.6%) accepting the default master key sk-1234 or lacking authentication. Fixes shipped in LiteLLM 1.82.0 (guardrail hardening) and 1.84.0 (MCP bypass); exposed instances can leak provider API keys and temporary AWS IAM credentials via the pass-through feature and metadata service, with a related config-check issue tracked as CVE-2026-35029.

Cyber Security Newsupdated · 5d agofirst · 5d agoExploit / PoC in the wild 4 sourcesCVE-2026-59821CVE-2026-59822CVE-2026-35029

Chinese Hackers Exploit Critical Tencent Software Flaw for One-Click Code Execution

China-linked UNC3569 actively exploited critical Sogou Input Method flaw CVE-2026-51990 for one-click system-level code execution, deploying the GrayRabbit backdoor.

Gen Threat Labs reports that China-linked threat actor UNC3569, possibly tied to contractor i-SOON, exploited critical CVE-2026-51990 in Tencent's Sogou Input Method, a Windows IME used by hundreds of millions, via crafted sgbiz URLs. The chain combines unvalidated command-line argument injection, unrestricted URL navigation, and an un-sandboxed Chromium 80 engine missing roughly six years of security patches. The exploit gives system-level code execution and was used to deploy the GrayRabbit backdoor, which provides a reverse shell, plugin loading, file upload to C2, and system info collection, and has appeared in UNC3569 intrusions since at least 2021. Tencent patched the issue in version 16.3.0.3498 via automatic update, but the outdated Chromium configuration reportedly remained unchanged as of September 10.

SecurityWeek · 1d agoExploit / PoC in the wild 2 sourcesCVE-2026-519901· 1 read

ZDI-26-696: Linux Kernel NTFS3 Journal Heap-based Buffer Overflow Code Execution Vulnerability

ZDI-26-696: Linux Kernel NTFS3 journal heap-based buffer overflow (CVE-2026-72196, CVSS 8.8) enables local arbitrary code execution.

ZDI advisory ZDI-26-696 describes a heap-based buffer overflow in the Linux Kernel NTFS3 journal handling, tracked as CVE-2026-72196 with a CVSS score of 8.8. Exploitation requires the attacker to first execute low-privileged code on the target system. Successful exploitation allows local attackers to execute arbitrary code. No in-the-wild exploitation is mentioned.

ZDI Published Advisories · 2d agoVulnerabilityCVE-2026-721961

Parallels Desktop Vulnerability Lets Non-Admin Mac Users Execute Code as Root

JFrog researchers disclosed CVE-2026-90894, a critical Parallels Desktop local privilege escalation letting non-admin Mac users execute code as root; fixed in 27.0.0.

JFrog researchers found that Parallels Desktop's privileged prl_disp_service daemon on macOS accepts unsigned local clients through a world-writable socket and allows argument injection into a tar command during appliance installation. Injecting the --use-compress-program option makes tar execute an attacker-controlled program as root, and a one-line proof of concept yielded a root shell without needing a running virtual machine. The flaw, dubbed ParaShells, was confirmed in Parallels Desktop 26.4.0 build 57513 on Apple Silicon and is fixed in version 27.0.0. No exploitation in the wild has been reported; administrators should inventory and upgrade affected installations and restrict local account access.

Cyber Security News · 1h agoVulnerabilityCVE-2026-90894

ZDI-26-679: Adobe Photoshop DCM JPEG Image Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed a CVSS 7.8 integer overflow remote code execution flaw (CVE-2026-75862) in Adobe Photoshop DCM JPEG image parsing.

The Zero Day Initiative published advisory ZDI-26-679 describing an integer overflow remote code execution vulnerability in Adobe Photoshop, tracked as CVE-2026-75862 with a CVSS 7.8 score. The flaw occurs while parsing JPEG data in DCM images. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. No in-the-wild exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 3 sourcesCVE-2026-75862

ZDI-26-678: Adobe Photoshop DCM File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed a CVSS 7.8 integer overflow remote code execution flaw (CVE-2026-75863) in Adobe Photoshop DCM file parsing.

The Zero Day Initiative published advisory ZDI-26-678 describing an integer overflow remote code execution vulnerability in Adobe Photoshop, tracked as CVE-2026-75863 with a CVSS 7.8 score. The flaw occurs while parsing DCM files. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. No in-the-wild exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 3 sourcesCVE-2026-75863

Metasploit Wrap Up: This One Goes to Sixteen!

Metasploit adds 16 modules including 10 exploits, five covering CISA KEV vulnerabilities in Cisco, SonicWall, PaperCut, JetBrains and Langflow.

Rapid7's weekly Metasploit update ships 16 new modules, 10 of them exploit modules, with five targeting CISA KEV entries. New exploits cover Cisco Secure Firewall Management Center auth bypass (CVE-2026-20079), a SonicWall SMA1000 SSRF-to-root RCE chain (CVE-2026-83548/CVE-2026-83549), JetBrains TeamCity deserialization RCE (CVE-2026-63077), PaperCut NG/MF chain (CVE-2026-81578/CVE-2026-82078), and Langflow authenticated RCE (CVE-2026-19295). The SonicWall and PaperCut chains were reported as actively exploited zero-days, and a new ESC8 relay module exploits CVE-2026-20929 against AD CS Web Enrollment.

Rapid7 Blog · 4d agoTools in the wildCVE-2025-66516CVE-2025-54988CVE-2026-20929+8 CVEs1

ZDI-26-684: Linux Kernel KSMBD Query Directory Request Race Condition Remote Code Execution Vulnerability

ZDI discloses CVE-2026-64397, a CVSS 9.0 unauthenticated remote code execution race condition in Linux Kernel KSMBD.

ZDI-26-684 describes a race condition in the Linux Kernel KSMBD subsystem's Query Directory Request handling that allows unauthenticated remote attackers to execute arbitrary code. Only systems with KSMBD enabled are vulnerable. ZDI assigned a CVSS rating of 9.0 and CVE-2026-64397.

ZDI Published Advisories · 2d agoAdvisoryCVE-2026-64397

ZDI-26-675: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed a CVSS 7.8 use-after-free remote code execution flaw (CVE-2026-81976) in Adobe Acrobat Reader DC triggered via malicious PDFs.

The Zero Day Initiative published advisory ZDI-26-675 describing a use-after-free remote code execution vulnerability in Adobe Acrobat Reader DC, tracked as CVE-2026-81976 with a CVSS 7.8 score. The flaw resides in the annotation feature. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. The advisory reports no evidence of in-the-wild exploitation.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-819761

ZDI-26-665: Adobe Acrobat Reader DC Annots Report Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-79909, a use-after-free remote code execution flaw in Adobe Acrobat Reader DC rated CVSS 7.8, requiring user interaction.

The Zero Day Initiative published advisory ZDI-26-665 for a use-after-free vulnerability in Adobe Acrobat Reader DC's Annots processing. Successful exploitation allows remote attackers to execute arbitrary code on affected installations. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw is rated CVSS 7.8 and is tracked as CVE-2026-79909.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-79909

ZDI-26-664: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-81986, a use-after-free remote code execution flaw in Adobe Acrobat Reader DC annotation handling rated CVSS 7.8.

The Zero Day Initiative published advisory ZDI-26-664 for a use-after-free vulnerability in Adobe Acrobat Reader DC's annotation processing. Successful exploitation allows remote attackers to execute arbitrary code on affected installations. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw is rated CVSS 7.8 and is tracked as CVE-2026-81986.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-81986

ZDI-26-663: Adobe Acrobat Pro DC Annotation Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-81989, a use-after-free remote code execution flaw in Adobe Acrobat Pro DC annotation handling rated CVSS 7.8.

The Zero Day Initiative published advisory ZDI-26-663 for a use-after-free vulnerability in Adobe Acrobat Pro DC's annotation processing. Successful exploitation allows remote attackers to execute arbitrary code on affected installations. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw is rated CVSS 7.8 and is tracked as CVE-2026-81989.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-81989

ZDI-26-649: (Pwn2Own) OpenAI Codex Improper Neutralization of Control Sequences Remote Code Execution Vulnerability

ZDI published advisory ZDI-26-649 for a CVSS 7.8 remote code execution flaw (CVE-2026-19591) in OpenAI Codex, demonstrated at Pwn2Own.

The Zero Day Initiative published advisory ZDI-26-649 describing a remote code execution vulnerability in OpenAI Codex, tracked as CVE-2026-19591 with a CVSS 7.8 score. The flaw involves improper neutralization of control sequences. Exploitation requires user interaction, as the target must open a malicious folder. The bug was demonstrated at Pwn2Own and disclosed through ZDI.

ZDI Published Advisories · 6d agoVulnerability 4 sourcesCVE-2026-195911

ZDI-26-651: (Pwn2Own) OpenAI Codex External Control of System or Configuration Setting Remote Code Execution Vulnerability

ZDI published advisory ZDI-26-651 for a CVSS 7.8 remote code execution flaw (CVE-2026-19593) in OpenAI Codex, demonstrated at Pwn2Own.

The Zero Day Initiative published advisory ZDI-26-651 describing a remote code execution vulnerability in OpenAI Codex, tracked as CVE-2026-19593 with a CVSS 7.8 score. The flaw involves external control of system or configuration settings. Exploitation requires user interaction, as the target must open a malicious folder. The bug was demonstrated at Pwn2Own and disclosed through ZDI.

ZDI Published Advisories · 6d agoVulnerability 4 sourcesCVE-2026-195931

ZDI-26-648: (Pwn2Own) OpenAI Codex External Control of System or Configuration Setting Remote Code Execution Vulnerability

ZDI published a Pwn2Own advisory for CVE-2026-19590, enabling remote code execution in OpenAI's Codex agent via system or configuration control.

Zero Day Initiative advisory ZDI-26-648 documents an External Control of System or Configuration Setting vulnerability in OpenAI Codex, demonstrated at Pwn2Own. A remote attacker could achieve arbitrary code execution, with user interaction required such as opening malicious content. The flaw is tracked as CVE-2026-19590 with a CVSS rating of 7.8. No exploitation in the wild is reported.

ZDI Published Advisories · 6d agoVulnerability 4 sourcesCVE-2026-195901

ZDI-26-650: (Pwn2Own) OpenAI Codex External Control of Configuration Setting Remote Code Execution Vulnerability

ZDI published advisory ZDI-26-650 for a CVSS 7.8 remote code execution flaw (CVE-2026-19592) in OpenAI Codex, demonstrated at Pwn2Own.

The Zero Day Initiative published advisory ZDI-26-650 describing a remote code execution vulnerability in OpenAI Codex, tracked as CVE-2026-19592 with a CVSS 7.8 score. The flaw involves external control of a configuration setting. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. The bug was demonstrated at Pwn2Own and disclosed through ZDI.

ZDI Published Advisories · 6d agoVulnerability 4 sourcesCVE-2026-195921

ZDI-26-657: ASUS Control Center Express Agent Missing Authentication Remote Code Execution Vulnerability

ZDI-26-657: ASUS Control Center Express Agent has an unauthenticated remote code execution flaw, CVE-2026-19397, rated CVSS 9.8.

The Zero Day Initiative published advisory ZDI-26-657 for ASUS Control Center Express Agent. The flaw, tracked as CVE-2026-19397, lets remote attackers execute arbitrary code without authentication. ZDI assigned a CVSS 9.8 rating. The advisory accompanies a vendor patch for affected installations.

ZDI Published Advisories · 6d agoAdvisoryCVE-2026-19397

ZDI-26-693: Linux Kernel ksmbd Share Configuration Race Condition Remote Code Execution Vulnerability

ZDI-26-693: authenticated race condition in Linux kernel ksmbd share configuration allows remote code execution on ksmbd-enabled systems; CVSS 8.5.

ZDI advisory ZDI-26-693 discloses a race condition in the Linux kernel's ksmbd share configuration that allows remote attackers to execute arbitrary code on affected installations. Exploitation requires authentication, and only systems with ksmbd enabled are vulnerable. ZDI assigned a CVSS rating of 8.5; no CVE is listed in the advisory text.

ZDI Published Advisories · 2d agoVulnerability1

ZDI-26-656: PAPPL Job Processing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-656: Unauthenticated heap-based buffer overflow in PAPPL job processing allows remote code execution, rated CVSS 9.8.

The Zero Day Initiative published advisory ZDI-26-656 for PAPPL, the open-source printer application framework. A heap-based buffer overflow in job processing allows remote attackers to execute arbitrary code with no authentication required. ZDI assigned a CVSS 9.8 rating. No CVE identifier was listed in the advisory text.

ZDI Published Advisories · 6d agoAdvisory 2 sources

ZDI-26-695: Linux Kernel NFSv4 Server Race Condition Remote Code Execution Vulnerability

ZDI-26-695: Linux Kernel NFSv4 server race condition (CVE-2026-89688, CVSS 8.5) enables remote code execution on nfsd systems with authentication.

ZDI advisory ZDI-26-695 describes a race condition in the Linux Kernel NFSv4 server tracked as CVE-2026-89688 with a CVSS score of 8.5. Remote attackers can execute arbitrary code, but authentication is required and only systems with nfsd enabled are vulnerable. No in-the-wild exploitation is mentioned in the advisory.

ZDI Published Advisories · 2d agoVulnerabilityCVE-2026-89688

ZDI-26-658: Adobe Acrobat Pro DC JPEG Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI discloses CVE-2026-81987, an integer overflow in Adobe Acrobat Pro DC JPEG parsing enabling remote code execution with CVSS 7.8.

The Zero Day Initiative published ZDI-26-658 covering an integer overflow in Adobe Acrobat Pro DC's parsing of JPEG files. Successful exploitation allows arbitrary code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI assigned a CVSS score of 7.8 and tracked the flaw as CVE-2026-81987.

ZDI Published Advisories · 6d agoAdvisory 19 sourcesCVE-2026-81987

ZDI-26-662: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability

ZDI discloses CVE-2026-81990, a use-after-free in Adobe Acrobat Reader DC annotation handling allowing remote code execution with CVSS 7.8.

The Zero Day Initiative published ZDI-26-662 covering a use-after-free vulnerability in Adobe Acrobat Reader DC's annotation feature. Successful exploitation allows arbitrary code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI assigned a CVSS score of 7.8 and tracked the flaw as CVE-2026-81990.

ZDI Published Advisories · 6d agoAdvisory 19 sourcesCVE-2026-81990

ZDI-26-661: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability

ZDI discloses CVE-2026-81985, a second use-after-free in Adobe Acrobat Reader DC annotation handling enabling remote code execution with CVSS 7.8.

The Zero Day Initiative published ZDI-26-661 covering a use-after-free vulnerability in Adobe Acrobat Reader DC's annotation feature. Exploitation allows arbitrary code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI rated the flaw CVSS 7.8 and assigned CVE-2026-81985.

ZDI Published Advisories · 6d agoAdvisory 19 sourcesCVE-2026-81985

ZDI-26-673: Adobe Acrobat Pro DC Doc Object Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-81988, a use-after-free in Adobe Acrobat Pro DC document object handling that enables remote code execution.

Zero Day Initiative advisory ZDI-26-673 describes a use-after-free vulnerability in the document object handling of Adobe Acrobat Pro DC. Arbitrary code execution is possible when a target opens a malicious file or visits a malicious page. The flaw received a CVSS rating of 7.8. No in-the-wild exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-81988

ZDI-26-674: Adobe Acrobat Reader DC Annotation Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-81981, an out-of-bounds write in Adobe Acrobat Reader DC annotation handling that permits remote code execution.

Zero Day Initiative advisory ZDI-26-674 details an out-of-bounds write in the annotation handling of Adobe Acrobat Reader DC. Successful exploitation allows arbitrary code execution after the victim opens a malicious file or visits a malicious page. The advisory carries a CVSS score of 7.8. No exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-81981

ZDI-26-676: Adobe Acrobat Reader DC DigSig Use-After-Free Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-81973, a use-after-free in Adobe Acrobat Reader DC digital signature handling that enables remote code execution.

Zero Day Initiative advisory ZDI-26-676 describes a use-after-free vulnerability in the DigSig (digital signature) feature of Adobe Acrobat Reader DC. Exploitation requires the target to open a malicious file or visit a malicious page, after which arbitrary code can execute. The flaw carries a CVSS score of 7.8. No in-the-wild exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 19 sourcesCVE-2026-81973

ZDI-26-677: Adobe Photoshop DCM JPEG-LS Image Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-75771, an integer overflow in Adobe Photoshop's DCM JPEG-LS image parsing that enables remote code execution with user interaction.

The Zero Day Initiative published advisory ZDI-26-677 for an integer overflow in Adobe Photoshop's parsing of DCM JPEG-LS images. A remote attacker could execute arbitrary code if the target opens a malicious file or visits a malicious page. ZDI assigned a CVSS rating of 7.8. No exploitation is reported.

ZDI Published Advisories · 6d agoVulnerability 3 sourcesCVE-2026-75771

ZDI-26-692: Linux Kernel eMPIA USB Device Driver Race Condition Code Execution Vulnerability

ZDI-26-692: race condition in Linux kernel eMPIA USB driver (CVE-2026-31583) lets physically present attackers execute code without authentication; CVSS 7.1.

ZDI advisory ZDI-26-692 discloses a race condition in the Linux kernel's eMPIA USB device driver that allows physically present attackers to execute arbitrary code on affected installations. Authentication is not required, but physical access to the target system is necessary. ZDI assigned a CVSS rating of 7.1 and CVE-2026-31583.

ZDI Published Advisories · 2d agoVulnerabilityCVE-2026-31583

Critical Check Point VPN Vulnerabilities Enable Remote Code Execution Attacks

Check Point patched two critical VPN flaws, CVE-2026-85102 and CVE-2026-85103 (CVSS 9.8), allowing unauthenticated RCE on Security Gateways.

Check Point disclosed and patched two critical VPN vulnerabilities, CVE-2026-85102 (improper certificate trust validation, CWE-295) and CVE-2026-85103 (heap-based buffer overflow in ASN.1 certificate parsing, CWE-122), both rated CVSS 9.8 and exploitable for unauthenticated remote code execution under specific conditions. The flaws affect Security Gateway, Security Management Server, and Spark Firewall deployments on R81.20, R82, and R82.10 branches plus end-of-support versions such as R80.40 and R81, while R82.20 is not affected. Check Point reports no evidence of active exploitation or public PoC; Live Patch rollout began September 9, 2026, and administrators without it must install Jumbo Hotfix Accumulator builds (R82.10 Take 44+, R82 Take 126+, R81.20 Take 166+). For Site-to-Site VPN, restricting UDP ports 500 and 4500 to known peers serves as an interim workaround, but no mitigation exists for Remote Access VPN or Spark Firewalls.

Cyber Security Newsupdated · 2d agofirst · 5d agoVulnerability 9 sourcesCVE-2026-85102CVE-2026-85103CVE-2026-50751