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U.S. CISA adds Microsoft Windows, N-able N-central, and Adobe flaws to its Known Exploited Vulnerabilities catalog

CISA added four actively exploited flaws to its KEV catalog: Magento StyleSmuggler RCE, two Windows privilege-escalation bugs, and N-able N-central RCE.

CISA added CVE-2026-75650 (Adobe Commerce/Magento, CVSS 10.0), CVE-2026-81963 and CVE-2026-85880 (Microsoft Windows local privilege escalation, CVSS 7.8 each), and CVE-2026-86218 (N-able N-central pre-auth RCE, CVSS 10.0) to its Known Exploited Vulnerabilities catalog. Sansec researchers report the StyleSmuggler Magento flaw, actively exploited since September 4, lets unauthenticated attackers run code on vulnerable online stores and deploy web shells and backdoors; Microsoft confirmed active exploitation of both Windows flaws, and N-able shipped an emergency hotfix. Federal civilian agencies must patch the Windows flaws by September 22, 2026, and the remaining entries by September 11, 2026 under BOD 22-01.

Security Affairsupdated · 1d agofirst · 5d agoExploit / PoC in the wild 5 sourcesCVE-2026-75650CVE-2026-81963CVE-2026-85880+1 CVEs1

FBI Seizes China-Linked Hacking Platforms QScan and QTRouter Used Against Critical Infrastructure

FBI seizes China-linked QScan and QTRouter hacking platforms used by QTFY to obfuscate intrusions against US federal agencies.

The DOJ and FBI seized domains hard-coded into QScan and QTRouter, two platforms operated by China-based Nanjing Xinjiuwei Network Technology Company on behalf of state-sponsored group QTFY. QScan automatically infected thousands of IoT devices which were added to QTRouter, an obfuscation network routing malicious traffic through compromised and proxy devices outside China. Targets included NASA, the Federal Reserve, Departments of Energy, Justice, and HHS, NIH, and the US Senate, exploiting flaws in Fortinet SSL-VPN, Citrix ADC, Microsoft Exchange, F5 BIG-IP, Log4j, and others.

Security Affairs · 20d agoThreat actor in the wild

Related CVEs

  • CVE-2026-7565010.02%
    Unauthenticated Template Injection RCE in Adobe Commerce and Magento (CVE-2026-75650)
    Adobe Commerce and Magento (including Adobe Commerce B2B) contain an improper neutralization of special elements used in a template engine (CWE-1336), a template-injection flaw that permits arbitrary code execution in the context of the current user. The flaw is reachable over the network by unauthenticated attackers, requires no user interaction, and its changed scope (CVSS 3.1 S:C) means injected code executes beyond the vulnerable component, producing a maximum-severity (CVSS 10.0) remote code execution condition. A successful attacker gains arbitrary code execution on the storefront server; in the observed campaign, intruders installed a Rust backdoor and a PHP web shell (dubbed 'StyleSmuggler') on compromised servers. Any organization running an Adobe Commerce, Adobe Commerce B2B, or Magento storefront is in scope, with internet-facing e-commerce deployments most exposed. Exploitation is confirmed in the wild: the bug was abused as a zero-day before patching and was added to CISA's Known Exploited Vulnerabilities catalog on 2026-09-08.
    · Adobe Commerce · Adobe Commerce B2B KEV PoC mass
  • CVE-2026-8621810.0<1%
    Pre-Auth Static Code Injection RCE in N-able N-central (Exploited in the Wild)
    CVE-2026-86218 is a static code injection flaw (CWE-96) in N-able's N-central on-premises remote monitoring and management (RMM) platform, carrying a maximum CVSS 4.0 score of 10.0. An unauthenticated, remote attacker triggers it by sending crafted network input to the N-central server that is improperly neutralized and persisted into application-managed code, which the server then executes — no privileges (PR:N) or user interaction (UI:N) are required. Successful exploitation yields full server compromise with high impact on confidentiality, integrity, and availability, and because N-central acts as the management hub for downstream customer endpoints, compromise can expose the entire managed estate. Any organization running an affected N-central release (before 2026.3.1.14) — primarily MSPs and corporate IT departments using N-able RMM — is affected. The flaw is confirmed exploited in the wild: N-able patched it as a zero-day, CISA added it to the KEV catalog on 2026-09-08, and it is the fourth N-central hotfix in five weeks, though no public PoC is known and ransomware use is unknown.
    · N-able N-central before 2026.3.1.14 KEV PoC large
  • CVE-2026-858807.8<1%
    Heap-Based Buffer Overflow in Windows ALPC Enables Local Privilege Escalation
    CVE-2026-85880 is a heap-based buffer overflow in Windows Advanced Local Procedure Call (ALPC), the Windows mechanism for local inter-process communication. An authorized local attacker can trigger the overflow by submitting crafted input over ALPC, corrupting heap memory in the component that handles the request. Successful exploitation allows the attacker to execute code with elevated privileges, typically gaining SYSTEM-level control of the local host, which is especially valuable as a post-exploitation or sandbox-escape step. Affected products include Windows 10 (1607, 1809, 21H2, 22H2) and Windows Server 2012, 2016, 2019, and 2022, meaning most on-premises Windows estates are in scope. The flaw was fixed in Microsoft's record 974-CVE September 2026 Patch Tuesday and was added to CISA's KEV on 2026-09-08, confirming exploitation in the wild; press reports describe Windows zero-days being chained with a Chrome zero-day in 'BlueMoon' kit attacks, though the data does not explicitly confirm this CVE is the Windows flaw in that chain.
    · Microsoft Windows 10 1607, 1809, 21H2, 22H2 · Microsoft Windows Server 2012, 2016, 2019, 2022 KEVmass
  • CVE-2026-819637.8<1%
    Local Privilege Escalation via Link Following in Windows Update Stack
    CVE-2026-81963 is a link-following flaw (CWE-59, improper link resolution before file access) in the Microsoft Windows Update Stack, in which the component fails to correctly resolve file links before opening them. A local attacker with low privileges can plant or manipulate a link (symlink/junction) that the privileged update stack follows during operation, redirecting its file access to an attacker-controlled target. The result is local privilege escalation — CVSS 3.1 rates this 7.8 (high) with high confidentiality, integrity, and availability impact — allowing an authorized local user or malware already on the machine to gain elevated rights. Affected products are Windows 11 23H2, 24H2, 25H2, and 26H1 and Windows Server 2025; any unpatched system on those versions is exposed to any local account holder. The flaw was fixed in Microsoft's record September 2026 Patch Tuesday (974 CVEs), was added to CISA's KEV on 2026-09-08 as one of two Windows zero-days reported as exploited in the wild, and has no known public PoC or confirmed ransomware use.
    · Microsoft Windows 11 23H2, 24H2, 25H2, 26H1 · Microsoft Windows Server 2025 KEVmass

Appears with

vendor Microsoft 2malware remote-access trojans 1product Fortinet SSL-VPN 1organization CISA 1organization DOJ 1organization FBI 1organization Lumen 1organization Ministry of State Security 1organization PLA 1organization Sansec 1product Adobe Commerce 1product Citrix ADC 1product Confluence 1product F5 BIG-IP 1organization Black Lotus Labs 1malware backdoors 1
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