Hunt.io links a UK council attack to mass exploitation of SonicWall SMA1000 flaw CVE-2026-15409 (CVSS 10.0), enabling credential and Active Directory theft.
Hunt.io links, with moderate confidence, the July 17, 2026 attack on the Borough Council of King's Lynn and West Norfolk to mass exploitation of SonicWall SMA1000 appliances via CVE-2026-15409, an unauthenticated SSRF in the WorkPlace portal WebSocket proxy with CVSS 10.0. The operator adapted Rapid7's July 15 PoC into a 50-thread mass scanner within days and stole LDAP credentials for 534 Active Directory accounts across 160 domains, with nine environments losing SAM/LSA secrets and five losing full AD databases via DCSync. CISA added the flaw to its Known Exploited Vulnerabilities catalog and noted use in ransomware campaigns; targeting of ~200,000 Shodan-derived SonicWall addresses spanned government, healthcare, finance, universities, and manufacturing worldwide.
Rapid7's version 8.58 adds credentialed pre-port discovery, letting scan engines query hosts for listening TCP/UDP ports instead of network probing.
Rapid7 documents credentialed pre-port discovery, available from version 8.58 as an off-by-default per-template option under Asset Discovery. The scan engine authenticates with existing SSH, Scan Assistant, or Windows credentials and receives the host's authoritative list of listening TCP and UDP ports, skipping the network port scan. Hosts without matching credentials silently fall back to network port scanning. Trade-offs include reporting firewall-blocked ports the engine cannot reach, longer scans, and early termination findings caused by repeated connection failures.
A Metasploit Framework exploit module was updated to work reliably against several 12.4.3 software versions.
A commit to the Rapid7 Metasploit Framework repository adjusts an existing exploit module so it functions against several 12.4.3 version targets. The change is described as getting the module working against those versions, indicating reliability or compatibility improvements. The commit text does not describe a new vulnerability, exploitation campaign, or affected victims.
Microsoft's September Patch Tuesday fixed a record 974 flaws, including two Windows privilege-escalation zero-days actively exploited and added to CISA's KEV catalog.
Microsoft's September 2026 Patch Tuesday addressed a record 974 vulnerabilities (999 including 25 non-Microsoft CVEs), with over 110 rated critical; 723 affect Windows and 111 affect Office. Two Windows privilege-escalation zero-days are actively exploited: CVE-2026-85880, an ALPC heap-based buffer overflow, and CVE-2026-81963, an improper link resolution flaw in the Windows Update Stack, both allowing attackers to gain SYSTEM privileges. CISA added both flaws to its KEV catalog, giving federal civilian agencies until September 22, 2026 to apply fixes. Volexity, Proofpoint, MSTIC, and independent researchers were credited with the reports; notable additional fixes include network-reachable RCEs in Exchange, SharePoint, SQL Server, Remote Desktop Services, DNS, and DHCP.
CISA added CVE-2026-86218 (CVSS 10.0), a pre-auth RCE in N-able N-central, to KEV after N-able confirmed in-the-wild exploitation; patch by September 11.
CISA added CVE-2026-86218, a maximum-severity static code injection flaw enabling pre-authentication remote code execution in N-able N-central, to its Known Exploited Vulnerabilities catalog with a September 11, 2026 deadline for federal agencies. The flaw is fixed in N-central 2026.3 Hotfix 4 (released September 5), and N-able told customers it has been observed being exploited in the wild. Separately, Huntress is investigating the compromise of a fully patched customer N-central environment on September 4 and cannot yet confirm which flaw was used, while Rapid7-disclosed CVE-2026-86206 and CVE-2026-86207 can be chained by an unauthenticated attacker to create a rogue System Administrator account.
Rapid7 disclosed two chained N-able N-central flaws, CVE-2026-86206 and CVE-2026-86207, enabling unauthenticated admin account creation; patched in 2026.3 Hotfix 3.
Rapid7 researchers found CVE-2026-86206 (semicolon/Forwarded access-control bypass, CWE-791, CVSSv4 6.9) and CVE-2026-86207 (UserTwoFactorLogin authentication bypass, CWE-305, CVSSv4 7.7) in the latest N-able N-central. Chained, they let a remote unauthenticated attacker create an attacker-controlled System administrator account. The bugs stem from Envoy and Jetty disagreeing on the requested path and whether the client is local. N-able patched both in N-central 2026.3 Hotfix 3, following the earlier CVE-2026-18577 authentication bypass.
Rapid7 reports North Korea-linked hackers implanted a backdoor compiled into HAProxy at South Korean automotive and media firms, enabling covert C2 and credential theft.
Rapid7 documented a previously undocumented Linux toolkit hitting South Korean automotive and media organizations, centered on a backdoor compiled directly into victims' HAProxy 2.8.12. The 'ted backdoor' uses HAProxy's native filter API to intercept HTTP traffic, receive C2 commands hidden in requests to a fake image path, and erase all traces from logs and counters; the toolkit also trojanizes crond, agetty, atd, sshd, and polkitd, adds an SSH keylogger, and runs curlRAT with virtualization checks. It can inject scripts or replace page content for selected victims, turning the load balancer into a watering hole. Attribution sits at medium confidence toward North Korean state actors, with overlaps to APT37-linked infrastructure and a concurrent Lazarus campaign; the campaign's command domains have since gone dark.
Rapid7 says North Korea-aligned actors use a new Linux espionage toolkit (ted HAProxy backdoor, CurlRAT) against South Korean automotive and media targets.
Rapid7 reports a stealthy Linux framework comprising a custom HAProxy backdoor ('ted'), trojanized system binaries (agetty, atd, crond, polkitd, sshd), an SSH keylogger, and CurlRAT that polls C&C every 12 hours. Initial access came via a Groupware login portal flaw, with credential harvesting enabling lateral movement to internal systems. The toolkit supports long-term surveillance, HTTP traffic interception/injection, and drive-by downloads, likely in use since late 2024. Infrastructure and artifacts overlap Operation SyncHole, suggesting Lazarus or APT37 involvement.
Attackers exploit Check Point SmartConsole authentication bypass CVE-2026-16232 to take over Quantum Security Management firewall servers; CISA added it to KEV.
CVE-2026-16232 is an authentication bypass (CWE-287) in the SmartConsole login process of Check Point Quantum Security Management, exploitable via an application token. Disclosed July 22, 2026, it was added to CISA's Known Exploited Vulnerabilities catalog the same day with remediation due July 25. Rapid7, Check Point Research and other vendors confirmed exploitation in the wild, and a public PoC was released. A workaround is available, and federal agencies must comply with BOD 26-04 patching guidance.
Two actively exploited SonicWall SMA 1000 zero-days chain to unauthenticated RCE; patches released and CISA added both to KEV.
SonicWall disclosed and patched two zero-days in SMA 1000 appliances: CVE-2026-83548, a maximum-severity pre-authentication SSRF, and CVE-2026-83549, a high-severity OS command injection. Rapid7 said chaining the flaws yields unauthenticated remote code execution, and CISA added both to its KEV catalog Wednesday. The vendor provided no IOCs or victim counts, urging customers to hunt for compromise, reimage or redeploy appliances, and reset all passwords and tokens. The product has faced repeated exploitation, including ransomware-linked flaws used by INC and Akira.
Metasploit Framework's automated pipeline refreshed its module metadata file, a routine repository maintenance commit introducing no new modules or exploits.
An automated Metasploit Framework commit updated module_metadata_base.json, the metadata database consumed by module tooling. The change is routine maintenance and contains no new exploit modules or vulnerability content.
Routine automated Metasploit Framework commit updates module_metadata_base.json with new module metadata.
The Metasploit Framework repository received an automated commit updating module_metadata_base.json, the file that tracks module metadata for the framework. This is routine maintenance accompanying new or updated exploit modules rather than a standalone disclosure. No vulnerability details, CVEs, or exploitation evidence are included.
A Metasploit Framework commit adds a DefangedMode advanced option to an exploit module that modifies the target host configuration.
The commit introduces a DefangedMode advanced option so that the exploit's modification of the target configuration runs only explicitly, making the behavior visible to the user. No target product, affected software, or CVE identifier is named in the commit message.
Rapid7 published technical analysis of CVE-2026-63520, a remote code execution vulnerability in Microsoft SharePoint.
Rapid7 released an analysis covering CVE-2026-63520, a remote code execution flaw affecting Microsoft SharePoint. SharePoint is widely deployed in enterprise environments, making exposed, unpatched servers a likely target for exploitation. Defenders should consult the Rapid7 write-up for exposure checks and patch guidance. The available text does not confirm active exploitation at this time.
Rapid7 announced a strategic distribution partnership with Licencias OnLine to expand its security solutions across Latin America.
Rapid7 announced a strategic distribution partnership with Licencias OnLine to accelerate cybersecurity maturity across Latin America. The partnership targets challenges from cloud and AI adoption in the region, including expanding attack surfaces and blind spots such as Shadow IT and Shadow AI. Cássio De Alcântara, Director of LATAM Sales at Rapid7, framed the deal as a way to help security leaders understand risk across distributed environments without adding operational complexity. No financial terms or specific product bundles were disclosed.
CISA adds actively exploited flaws in Microsoft IKE, SharePoint, VMware vCenter, and macOS Screen Sharing to KEV catalog, due August 21.
CISA added four vulnerabilities to its Known Exploited Vulnerabilities catalog: CVE-2026-33824 (Windows IKE remote code execution, CVSS 9.8), CVE-2026-55040 (SharePoint JWT authentication bypass, CVSS 9.1), CVE-2026-59310 (VMware vCenter Syslog path traversal, CVSS 9.8), and CVE-2026-65400 (macOS Screen Sharing improper authentication). The SharePoint flaw combines four weaknesses including alg:none JWT forging to impersonate any user, with Defused researchers observing attackers using Rapid7's PoC against honeypots. The Dutch NCSC confirmed active exploitation of the macOS Screen Sharing flaw on August 15, 2026. Federal agencies must patch by August 21, 2026.
Rapid7 Labs' Q2 2026 threat report finds vulnerability disclosures surging while AI-assisted attackers compress the time from disclosure to exploitation.
Rapid7 Labs' Quarterly Threat Landscape Report for Q2 2026 reports continued growth in vulnerability disclosures alongside attacker use of automation and AI-assisted tooling. The report argues the window between disclosure and exploitation is shrinking, eroding the value of traditional patch cycles. It recommends prioritizing exposures attackers can actually reach rather than attempting to patch everything.
Rapid7 exposed infrastructure behind a cryptocurrency fraud pipeline using phishing panels, voice-dialing scripts, fake wallets, and AI coding assistants.
Rapid7 researchers identified an exposed web directory on infrastructure used to support a cryptocurrency fraud operation tracked as Operation ASTERIX. The server contained raw phone-number datasets, account-validation tools, enriched lead records, phishing panels, voice-dialing scripts, fake wallet applications, persistence mechanisms, and Telegram exfiltration code. Recovered prompts, shell history, and project files show the operator relied on AI coding assistants to package Electron applications, obfuscate code, troubleshoot builds, and modify phishing infrastructure.
Rapid7 partners with distributor StarLink to expand managed security operations support across Middle East and Africa markets.
Rapid7's Middle East & Africa regional director argues that cloud, AI and digital adoption in markets like Egypt, Nigeria and Kenya is outpacing security teams' capacity, context and specialist staffing. The piece frames Rapid7's distribution partnership with StarLink as a way to help regional organizations convert existing tooling into faster investigations and more consistent response rather than buying more products.
Metasploit 6.5 ships 13 new modules including RCEs for SonicWall SMA1000, Ghost CMS, Joomla JCE and Langflow, plus a Linux kernel LPE.
Rapid7's Metasploit wrap-up covers the 6.5 release, which adds 13 new modules, including remote code execution exploits for WordPress WP2Shell, Ghost CMS, Joomla JCE, Langflow, OpenCATS, Pterodactyl Panel, SonicWall SMA1000, Ray Dashboard and a Pix-for-WooCommerce plugin. The Fragnesia Linux kernel local privilege escalation (CVE-2026-46300) also landed. The release introduces HTTP malleable profiles, MCP functionality, Linux multi-fetch payloads and improved Windows on ARM support.
Attackers are actively exploiting critical SharePoint authentication bypass CVE-2026-55040 (CVSS 9.1) days after Rapid7 released a public PoC.
CVE-2026-55040 is a critical authentication bypass (CVSS 9.1) in SharePoint Server Subscription Edition that lets unauthenticated attackers forge JWT tokens and impersonate any user, including administrators. Microsoft patched it in July 2026 Patch Tuesday, but Rapid7 published a technical write-up and Python PoC on GitHub on August 12, and Defused quickly observed attackers running the PoC against SharePoint honeypots. KEVIntel recorded 12 exploitation attempts since July 19, with eight occurring on August 12-13 from IP addresses in Hong Kong, Japan, the Netherlands, Taiwan and the U.S. Admin-level SharePoint access exposes documents and data modification and can serve as a foothold into broader Microsoft 365 infrastructure; unpatched instances should apply the July update immediately.
An Omdia survey of 500 security leaders commissioned by Rapid7 reports 97% positive AI outcomes in the SOC despite heightened executive concerns.
Omdia, commissioned by Rapid7, surveyed 500 security professionals and found 97% reporting positive outcomes from AI in security operations. 98% said AI reduces alert fatigue and 95% said it helps address staffing shortages. Despite this consensus, the report highlights a growing confidence gap and elevated concerns among security executives about where operations are headed.
Microsoft's August 2026 Patch Tuesday fixes 400+ vulnerabilities, including an actively exploited Windows zero-day (CVE-2026-68820) used by North Korean attackers.
Microsoft's August 2026 Patch Tuesday fixes over 400 vulnerabilities, including CVE-2026-68820, a use-after-free in the Windows Ancillary Function Driver exploited in the wild by North Korean actors deploying a kernel-mode rootkit in Operation Dream Job. Critical unauthenticated remote code execution flaws in Microsoft QUIC (CVE-2026-62815) and Windows DNS (CVE-2026-62878) were also patched, alongside a SharePoint RCE chain combining CVE-2026-63520 with CVE-2026-55040. Researcher Nightmare-Eclipse released ShieldBreak, a PoC bypassing the July RoguePlanet Microsoft Defender patch (CVE-2026-50656), confirmed working by Will Dormann on Windows 11.
Rapid7 counts 421 vulnerabilities in Microsoft's August 2026 Patch Tuesday, with one exploited in the wild and two others publicly disclosed.
Rapid7 counts 421 vulnerabilities published in Microsoft's August 2026 Patch Tuesday, including 236 in Windows — below last month's record but still among the largest totals ever. Microsoft is aware of exploitation in the wild for one published vulnerability and public disclosure of two others, though the Security Update Guide's Notable CVEs section omits one of these. Browser vulnerabilities are excluded from the published count, and Microsoft unusually does not appear to have addressed some expected items.
Rapid7 disclosed CVE-2026-55040, a SharePoint JWT validation bypass chaining into CVE-2026-63520 unauthenticated RCE, with research substantially AI-agent-assisted; patches released.
Rapid7 disclosed CVE-2026-55040 (CVSS 9.1), several JWT validation pipeline issues letting unauthenticated attackers impersonate chosen SharePoint users by SID or UPN, chained with CVE-2026-63520 (CVSS 8.1), an unsafe .NET type instantiation in Business Connectivity Services yielding RCE as the service account. An AI agent contributed significantly across 96 sessions and roughly 80,000 tool calls over 24 active days, though an expert had to steer it and it repeatedly overstepped its threat model. No exploitation of the bypass had been reported as of CISA's July 14 assessment. The RCE affects SharePoint Subscription Edition, 2019, and 2016, plus Project Server 2013 SP1 and Office Web Apps 2013 SP1; the July updates break the chain.
Authentication Bypass in Microsoft SharePoint Server
Microsoft SharePoint Server is affected by a weak authentication vulnerability (CWE-1390) that allows an unauthorized attacker to bypass a security feature over a network. Per the CVSS vector, exploitation requires no privileges and no user interaction with low attack complexity, so any unauthenticated attacker with network access to a vulnerable server can trigger it remotely. Impact to confidentiality and integrity is rated high (CVSS 9.1, critical), meaning the bypass effectively grants the attacker access that authentication should have prevented, with no direct availability impact. All organizations running on-premises Microsoft SharePoint Server are potentially affected; the source data does not specify affected version ranges or fixed builds, so defenders should consult Microsoft's advisory for those details. The flaw is under active exploitation: a public proof-of-concept is available on GitHub, attackers began exploiting it after the PoC went public, and CISA added it to the Known Exploited Vulnerabilities catalog on 2026-08-18 (EPSS ~40%, 99th percentile; ransomware association unknown).
Unauthenticated RCE in Microsoft SharePoint Server
CVE-2026-63520 is an improper input validation flaw (CWE-20) in Microsoft Office SharePoint, affecting on-premises SharePoint Server deployments. A remote, unauthenticated attacker can trigger the flaw by sending improperly validated input to the SharePoint service over the network; the high attack complexity (AC:H) indicates exploitation depends on specific conditions, but no privileges or user interaction are required. Successful exploitation results in arbitrary code execution on the server, with high impact to confidentiality, integrity, and availability — effectively full compromise of the SharePoint host. Organizations running self-hosted SharePoint Server are in scope; SharePoint Online/Microsoft 365 is not listed in the affected products. The issue is patched as of Microsoft's Patch Tuesday (headlines mark it FIXED), with Rapid7 analysis and a researcher-disclosed exploit chain available, but there is no public PoC, no CISA KEV listing, and no confirmed in-the-wild exploitation; EPSS puts exploitation probability at 2.9% (86th percentile).
· Microsoft SharePoint Server (Office SharePoint, on-premises)mass
Authentication bypass in N-able N-central internal APIs before 2026.3 HF 3
CVE-2026-86207 is an authentication bypass (CWE-305) in N-able's N-central remote monitoring and management (RMM) platform that allows unauthorized access to APIs that are supposed to be internal-only. It is triggered over the network by sending requests to these internal API endpoints under specific conditions (the CVSS vector indicates some attack prerequisites and a low-privilege foothold are required). An attacker who exploits it gains highly privileged access to the N-central server's data and functions, with high impact on confidentiality, integrity and availability of the server itself. Organizations running any N-central release before version 2026.3 Hotfix 3 are affected — primarily managed service providers hosting N-central for their own operations. There is no public proof of concept, the flaw is not in CISA's KEV catalog, and EPSS puts 30-day exploitation risk at just 0.7%; note that the recent news headlines about actively exploited 'unauthenticated RCE' flaws in N-central describe separate vulnerabilities in the same product, which is why multiple hotfixes have shipped in quick succession.
· N-able N-central all versions before 2026.3 HF 3 (Hotfix 3)moderate
Access Control Filter Bypass in N-able N-central Exposes Internal APIs
N-able N-central contains a flaw in the access-control filter that protects its internal API (CWE-791, incomplete filtering), allowing requests to bypass the filter and reach internal APIs without authorization. The issue is exploitable over the network with no privileges and no user interaction, per the CVSS 4.0 vector (AV:N/PR:N/UI:N). An attacker gains unauthorized, low-impact access to internal APIs (VC:L); the vector indicates no integrity or availability impact and no evidence of code execution from this flaw. Any organization running an affected N-central release — a remote monitoring and management (RMM) platform operated by managed service providers — is affected, and the fix is available in N-central 2026.3 HF3 and 2026.4. The flaw is not on the CISA KEV list and has no known public PoC or confirmed in-the-wild exploitation, though it was disclosed in the same patching cycle as actively exploited N-central unauthenticated RCE flaws.
· N-able N-central Releases prior to 2026.3 HF3; fixed in 2026.3 HF3 and 2026.4large
Authentication Bypass in Check Point SmartConsole Grants Full Admin Access
Check Point SmartConsole, the administrative client used to manage Quantum Security Management and Multi-Domain Security Management, contains an authentication bypass (CWE-287) in its login process that allows an unauthenticated remote attacker to obtain an application login token and authenticate with full administrative privileges. Exploitation is possible when the Management Server IP address is reachable from the internet and the configuration does not restrict Trusted Clients. A successful attacker can modify security policies and security configurations, effectively taking control of firewall management. Any organization running an internet-exposed Check Point management server without Trusted Client restrictions is affected, though Check Point reports exploitation has impacted only a very small number of customers. The flaw was added to CISA's KEV on 2026-07-22, is actively exploited, and press reports indicate public proof-of-concept code has been released.
· Check Point SmartConsole · Check Point Quantum Security Management KEVlarge
Use-After-Free Privilege Escalation in Microsoft Windows ALPC
CVE-2023-21674 is a use-after-free flaw (CWE-416) in the Windows Advanced Local Procedure Call (ALPC) facility, the kernel-level mechanism Windows uses for fast communication between processes and system services. An attacker who can already run code on a Windows machine can trigger the bug by sending crafted ALPC requests, corrupting memory in a privileged process. Successful exploitation allows a local, low-privileged attacker to elevate to SYSTEM/administrator privileges, typically to gain full control of the host or to complete an exploit chain after an initial compromise. Essentially all supported Windows client and server installations from Microsoft are affected; the source data does not list specific versions, and the fix shipped with Microsoft's January 2023 Patch Tuesday, which addressed a record 974 vulnerabilities including this and one other actively exploited Windows zero-day. CISA added the CVE to the Known Exploited Vulnerabilities catalog on 2023-01-10, confirming exploitation in the wild; no public proof-of-concept is known, ransomware use is undetermined, and EPSS estimates a 41.8% probability of exploitation in the next 30 days (99th percentile).
Authenticated OS Command Injection RCE in SonicWall SMA1000 Appliance Console
CVE-2026-83549 is a post-authentication OS command injection flaw (CWE-78) in the Appliance Management Console (AMC) of SonicWall SMA1000 appliances. An attacker who authenticates to the AMC with administrator privileges can, under specific conditions, inject arbitrary operating system commands and achieve remote code execution on the appliance. Only organizations running SMA1000-series appliances, including the SMA 6210, SMA 7210, and SMA 8200v models cited in the data, are affected. CISA added the flaw to the KEV catalog on 2026-09-02, and news reports describe active exploitation, possibly chained with companion zero-day CVE-2026-83548, with reverse shells and cryptocurrency miners observed; no public proof-of-concept is known. EPSS assigns an 8.5% probability of exploitation within 30 days (95th percentile).
· SonicWall SMA1000 series appliances - Appliance Management Console (AMC) · SonicWall SMA 6210 (SMA1000 series firmware) KEVmoderate
Use-After-Free Local Privilege Escalation in Microsoft Windows WinSock AFD Driver
CVE-2026-68820 is a use-after-free (CWE-416) in the Windows Ancillary Function Driver for WinSock (afd.sys), the kernel component that handles Winsock socket operations. A local, authenticated attacker can trigger the memory corruption through crafted socket activity, and the high attack-complexity score (AV:L/AC:H/PR:L) indicates exploitation requires a specific, likely race-sensitive sequence of operations. Successful exploitation elevates privileges to SYSTEM, giving the attacker full control of the host, and public reporting describes deployment of a backdoor after privilege escalation. Virtually every Windows 10, Windows 11, and Windows Server (2012-2022) installation ships this driver, so the affected population is essentially the entire supported Windows installed base. The flaw is being exploited in the wild: CISA added it to the KEV on 2026-08-11, Microsoft fixed it in the August 2026 Patch Tuesday release, and reporting ties active exploitation to North Korea's Lazarus group, who paired the zero-day with fake job-offer lures.
· Microsoft Windows Ancillary Function Driver for WinSock (afd.sys) as shipped with the Windows versions listed below · Microsoft Windows 10 1607, 1809, 21H2, 22H2 KEVmass
Use-After-Free RCE in Windows Remote Desktop Services
CVE-2026-69525 is a use-after-free memory corruption flaw (CWE-416) in Windows Remote Desktop Services, rated critical at CVSS 9.8. Per the CVSS vector, a remote, unauthenticated attacker can reach the vulnerable code path over the network with no privileges and no user interaction, presumably by sending crafted input to the RDP/RDS service. Successful exploitation yields remote code execution with high impact on confidentiality, integrity, and availability. Any Windows system running Remote Desktop Services is affected, and organizations exposing RDP (TCP 3389) to the internet are the primary concern, since public scans show millions of such endpoints. There is no public proof-of-concept or CISA KEV listing yet, and EPSS estimates a ~1.1% (63rd percentile) chance of exploitation within 30 days; the fix shipped as part of Microsoft's record 974-CVE Patch Tuesday, which separately included two exploited Windows zero-days and 20 wormable bugs.
Local Privilege Escalation via Link Following in Windows User Profile Service
CVE-2026-62832 is a local privilege escalation flaw (CWE-59, improper link resolution, or 'link following') in the Windows User Profile Service. An attacker who already holds a limited local account on an affected machine can cause the service to follow a symbolic link or junction before it validates file access, so the service performs file operations with elevated rights. Successful exploitation grants elevated privileges on the local system — typically up to administrator/SYSTEM level — with no user interaction required. Affected platforms include Windows 10 21H2 and 22H2, Windows 11 23H2 through 26H1, and Windows Server 2022 and 2025, which together span essentially the entire supported Windows estate. As of this analysis there is no public proof-of-concept, no CISA KEV listing, and no confirmed in-the-wild exploitation of this specific flaw; EPSS estimates a 3.3% (88th percentile) chance of exploitation within 30 days, although Microsoft's August 2026 Patch Tuesday fixed 400+ vulnerabilities and a separate zero-day (CVE-2026-68820) is under active attack.
· microsoft Windows 10 21H2 · microsoft Windows 10 22H2mass
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