Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-42905 [HIGH] CWE-416 CVE-2026-42905: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-29828 [HIGH] CWE-401 CVE-2025-29828: Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unaut Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.

CVE-2025-27487 [HIGH] CWE-122 CVE-2025-27487: Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code ov Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.

CVE-2024-49123 [HIGH] CWE-591 CVE-2024-49123: Windows Remote Desktop Services Remote Code Execution Vulnerability Windows Remote Desktop Services Remote Code Execution Vulnerability

CVE-2024-49132 [HIGH] CWE-416 CVE-2024-49132: Windows Remote Desktop Services Remote Code Execution Vulnerability Windows Remote Desktop Services Remote Code Execution Vulnerability

CVE-2026-25166 [HIGH] CWE-502 CVE-2026-25166: Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to e Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.

CVE-2024-38052 [HIGH] CWE-20 CVE-2024-38052: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

CVE-2023-36400 [HIGH] CWE-122 CVE-2023-36400: Windows HMAC Key Derivation Elevation of Privilege Vulnerability Windows HMAC Key Derivation Elevation of Privilege Vulnerability

CVE-2026-26128 [HIGH] CWE-287 CVE-2026-26128: Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges lo Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

CVE-2026-20864 [HIGH] CWE-122 CVE-2026-20864: Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attac Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

CVE-2026-21239 [HIGH] CWE-122 CVE-2026-21239: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-33841 [HIGH] CWE-122 CVE-2026-33841: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-40377 [HIGH] CWE-122 CVE-2026-40377: Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevat Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.

CVE-2026-26180 [HIGH] CWE-122 CVE-2026-26180: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-48814 [HIGH] CWE-306 CVE-2025-48814: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an u Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-26634 [HIGH] CWE-122 CVE-2025-26634: Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges over a network.

CVE-2023-35634 [HIGH] CWE-121 CVE-2023-35634: Windows Bluetooth Driver Remote Code Execution Vulnerability Windows Bluetooth Driver Remote Code Execution Vulnerability

CVE-2026-26178 [HIGH] CWE-190 CVE-2026-26178: Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized att Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.

CVE-2025-58715 [HIGH] CWE-190 CVE-2025-58715: Integer overflow or wraparound in Microsoft Windows Speech allows an authorized attacker to elevate Integer overflow or wraparound in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

CVE-2025-58716 [HIGH] CWE-20 CVE-2025-58716: Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privi Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.