Microsoft Windows 11 24H2 vulnerabilities

CVE-2026-83855 [HIGH] CWE-191 CVE-2026-83855: Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to de Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network.

CVE-2024-37982 [HIGH] CWE-822 CVE-2024-37982: Windows Resume Extensible Firmware Interface Security Feature Bypass Vulnerability Windows Resume Extensible Firmware Interface Security Feature Bypass Vulnerability

CVE-2026-83843 [HIGH] CWE-125 CVE-2026-83843: Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker t Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2025-24046 [HIGH] CWE-416 CVE-2025-24046: Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges lo Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

CVE-2026-24293 [HIGH] CWE-476 CVE-2026-24293: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attac Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-50176 [HIGH] CWE-122 CVE-2025-50176: Access of resource using incompatible type ('type confusion') in Graphics Kernel allows an authorize Access of resource using incompatible type ('type confusion') in Graphics Kernel allows an authorized attacker to execute code locally.

CVE-2025-29970 [HIGH] CWE-416 CVE-2025-29970: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privilege Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

CVE-2025-60707 [HIGH] CWE-416 CVE-2025-60707: Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevat Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevate privileges locally.

CVE-2025-54912 [HIGH] CWE-416 CVE-2025-54912: Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2025-32712 [HIGH] CWE-416 CVE-2025-32712: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-20938 [HIGH] CWE-822 CVE-2026-20938: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an autho Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2026-69328 [HIGH] CWE-426 CVE-2026-69328: Untrusted search path in Windows Storage allows an authorized attacker to elevate privileges locally Untrusted search path in Windows Storage allows an authorized attacker to elevate privileges locally.

CVE-2025-59201 [HIGH] CWE-284 CVE-2025-59201: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.

CVE-2025-49761 [HIGH] CWE-416 CVE-2025-49761: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-53151 [HIGH] CWE-416 CVE-2025-53151: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-69587 [HIGH] CWE-476 CVE-2026-69587: Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service ov Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.

CVE-2026-69881 [HIGH] CWE-476 CVE-2026-69881: Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service ov Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.

CVE-2026-84001 [HIGH] CWE-125 CVE-2026-84001: Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny servic Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.

CVE-2026-83989 [HIGH] CWE-125 CVE-2026-83989: Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over a network.

CVE-2026-49787 [HIGH] CWE-770 CVE-2026-49787: Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized atta Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.