Microsoft Windows 11 24H2 vulnerabilities

CVE-2025-59241 [HIGH] CWE-59 CVE-2025-59241: Improper link resolution before file access ('link following') in Windows Health and Optimized Exper Improper link resolution before file access ('link following') in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

CVE-2026-32077 [HIGH] CWE-822 CVE-2026-32077: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2025-54092 [HIGH] CWE-362 CVE-2025-54092: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-50422 [HIGH] CWE-125 CVE-2026-50422: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-50421 [HIGH] CWE-843 CVE-2026-50421: Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVE-2026-50357 [HIGH] CWE-197 CVE-2026-50357: Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to ex Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

CVE-2026-58532 [HIGH] CWE-190 CVE-2026-58532: Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-33828 [HIGH] CWE-501 CVE-2026-33828: Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges locally.

CVE-2026-45656 [HIGH] CWE-693 CVE-2026-45656: Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feat Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally.

CVE-2026-33098 [HIGH] CWE-416 CVE-2026-33098: Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elev Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-55224 [HIGH] CWE-362 CVE-2025-55224: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CVE-2026-27919 [HIGH] CWE-822 CVE-2026-27919: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2025-53150 [HIGH] CWE-362 CVE-2025-53150: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.

CVE-2025-55228 [HIGH] CWE-362 CVE-2025-55228: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CVE-2026-20877 [HIGH] CWE-362 CVE-2026-20877: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

CVE-2026-20924 [HIGH] CWE-362 CVE-2026-20924: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

CVE-2026-50390 [HIGH] CWE-843 CVE-2026-50390: Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-42829 [HIGH] CWE-284 CVE-2026-42829: Improper access control in Windows Administrator Protection allows an authorized attacker to bypass Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.

CVE-2026-20858 [HIGH] CWE-362 CVE-2026-20858: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

CVE-2025-59187 [HIGH] CWE-20 CVE-2025-59187: Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges loca Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.