Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-48578 [HIGH] CWE-284 CVE-2026-48578: Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges l Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.

CVE-2026-50388 [HIGH] CWE-125 CVE-2026-50388: Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally. Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50308 [HIGH] CWE-122 CVE-2026-50308: Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute co Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-54124 [HIGH] CWE-122 CVE-2026-54124: Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code l Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.

CVE-2026-40378 [HIGH] CWE-789 CVE-2026-40378: Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (L Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

CVE-2026-50424 [HIGH] CWE-822 CVE-2026-50424: Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny s Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a network.

CVE-2025-50152 [HIGH] CWE-125 CVE-2025-50152: Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-50175 [HIGH] CWE-416 CVE-2025-50175: 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-2025-55701 [HIGH] CWE-1287 CVE-2025-55701: Improper validation of specified type of input in Microsoft Windows allows an authorized attacker to Improper validation of specified type of input in Microsoft Windows allows an authorized attacker to elevate privileges locally.

CVE-2025-59511 [HIGH] CWE-73 CVE-2025-59511: External control of file name or path in Windows WLAN Service allows an authorized attacker to eleva External control of file name or path in Windows WLAN Service allows an authorized attacker to elevate privileges locally.

CVE-2025-55233 [HIGH] CWE-125 CVE-2025-55233: Out-of-bounds read in Windows Projected File System allows an authorized attacker to elevate privile Out-of-bounds read in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2025-62467 [HIGH] CWE-126 CVE-2025-62467: Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to ele Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2025-60721 [HIGH] CWE-270 CVE-2025-60721: Privilege context switching error in Windows Administrator Protection allows an authorized attacker Privilege context switching error in Windows Administrator Protection 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-2026-26161 [HIGH] CWE-20 CVE-2026-26161: Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevat Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.

CVE-2025-59192 [HIGH] CWE-126 CVE-2025-59192: Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally. Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-35416 [HIGH] CWE-416 CVE-2026-35416: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-64658 [HIGH] CWE-362 CVE-2025-64658: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an authorized attacker to elevate privileges locally.

CVE-2026-27908 [HIGH] CWE-416 CVE-2026-27908: Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-69890 [HIGH] CWE-416 CVE-2026-69890: Use after free in Windows Virtual Trusted Platform Module allows an authorized attacker to elevate p Use after free in Windows Virtual Trusted Platform Module allows an authorized attacker to elevate privileges locally.