Microsoft Windows 11 Version 24H2 vulnerabilities

CVE-2026-109453 [HIGH] CWE-122 CVE-2026-109453: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-97810 [HIGH] CWE-122 CVE-2026-97810: Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an a Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-103555 [HIGH] CWE-122 CVE-2026-103555: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69492 [HIGH] CWE-122 CVE-2026-69492: Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to e Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69563 [HIGH] CWE-122 CVE-2026-69563: Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized a Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85365 [HIGH] CWE-122 CVE-2026-85365: Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privi Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.

CVE-2026-59116 [MEDIUM] CWE-327 CVE-2026-59116: Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized at Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-57982 [MEDIUM] CWE-908 CVE-2026-57982: Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information o Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information over a network.

CVE-2026-83906 [MEDIUM] CWE-303 CVE-2026-83906: Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacke Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-97842 [MEDIUM] CWE-125 CVE-2026-97842: Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a networ Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

CVE-2026-87714 [MEDIUM] CWE-862 CVE-2026-87714: Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a ne Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a network.

CVE-2026-50302 [MEDIUM] CWE-295 CVE-2026-50302: Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-59194 [HIGH] CWE-908 CVE-2025-59194: Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-54894 [HIGH] CWE-122 CVE-2025-54894: Local Security Authority Subsystem Service Elevation of Privilege Vulnerability Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

CVE-2026-20816 [HIGH] CWE-367 CVE-2026-20816: Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2025-58720 [HIGH] CWE-1240 CVE-2025-58720: Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allow Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2025-24994 [HIGH] CWE-284 CVE-2025-24994: Improper access control in Windows Cross Device Service allows an authorized attacker to elevate pri Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.

CVE-2024-43581 [HIGH] CWE-73 CVE-2024-43581: Microsoft OpenSSH for Windows Remote Code Execution Vulnerability Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

CVE-2025-27491 [HIGH] CWE-416 CVE-2025-27491: Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network. Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.

CVE-2026-40414 [HIGH] CWE-476 CVE-2026-40414: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.