windows 11 23h2 vulnerabilities and fixes

Recent CVEs affecting windows 11 23h2, with upgrade or downgrade steps. 25 tracked.

Also searched as: windows1123h2.

windows 11 23h2 has 25 tracked vulnerabilities, 0 critical and 2 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 25. Most recent: 2026-10-13. Highest priority: CVE-2026-96951 (score 79/100).

• CVE-2026-69673 HIGH 7.8 UPGRADE UPGRADE Improper link resolution before file access ('link following') in Windows Update allows an authorized attacker
• CVE-2026-69718 HIGH 7.8 UPGRADE UPGRADE Improper neutralization of special elements used in a command ('command injection') in Windows Update allows a
• CVE-2026-69733 HIGH 7.8 UPGRADE UPGRADE Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.
• CVE-2026-108132 HIGH 7.0 UPGRADE UPGRADE Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
• CVE-2026-108135 HIGH 7.0 UPGRADE UPGRADE Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized a
• CVE-2026-108136 HIGH 7.8 UPGRADE UPGRADE Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges local
• CVE-2026-108396 HIGH 7.0 UPGRADE UPGRADE Time-of-check time-of-use (toctou) race condition in Windows Modern Device Management (MDM) allows an authoriz
• CVE-2026-62785 HIGH 8.8 UPGRADE UPGRADE Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized atta
• CVE-2026-62795 HIGH 8.8 UPGRADE UPGRADE Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to exec
• CVE-2026-68836 HIGH 7.8 UPGRADE UPGRADE Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker to elevate privileges locally
• CVE-2026-69326 HIGH 8.8 UPGRADE UPGRADE Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network.
• CVE-2026-69354 HIGH 7.8 UPGRADE UPGRADE Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges loca
• CVE-2026-69363 HIGH 8.0 UPGRADE UPGRADE Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over
• CVE-2026-69387 HIGH 7.0 UPGRADE UPGRADE Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
• CVE-2026-69452 HIGH 7.1 UPGRADE UPGRADE Use after free in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a
• CVE-2026-69471 HIGH 7.8 UPGRADE UPGRADE Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
• CVE-2026-69506 MEDIUM 4.7 UPGRADE UPGRADE Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker to disclose information local
• CVE-2026-69521 HIGH 8.8 UPGRADE UPGRADE Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network
• CVE-2026-85790 MEDIUM 5.9 UPGRADE UPGRADE Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
• CVE-2026-96912 HIGH 7.8 UPGRADE UPGRADE Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-96911 HIGH 7.8 UPGRADE UPGRADE Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an
• CVE-2026-96914 HIGH 8.8 UPGRADE UPGRADE Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized att
• CVE-2026-96913 HIGH 8.8 UPGRADE UPGRADE Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-96951 HIGH 8.8 EXPLOITED MITIGATE UPGRADE Microsoft Windows Command Injection Vulnerability
• CVE-2026-81963 HIGH 7.8 EXPLOITED UPGRADE UPGRADE Microsoft Windows Link Following Vulnerability

FAQ

How do I fix windows 11 23h2 vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is windows 11 23h2 being exploited right now?

Yes: 2 windows 11 23h2 CVEs are on the CISA Known Exploited Vulnerabilities list, so patch those first.

Which windows 11 23h2 CVE should I patch first?

CVE-2026-96951 currently ranks highest (79/100): Microsoft Windows Command Injection Vulnerability.

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