Microsoft Windows Server 2012 R2 vulnerabilities

CVE-2022-41081 [HIGH] CVE-2022-41081: Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability

CVE-2026-21231 [HIGH] CWE-362 CVE-2026-21231: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2023-21543 [HIGH] CWE-400 CVE-2023-21543: Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability

CVE-2024-30020 [HIGH] CWE-122 CVE-2024-30020: Windows Cryptographic Services Remote Code Execution Vulnerability Windows Cryptographic Services Remote Code Execution Vulnerability

CVE-2024-49126 [HIGH] CWE-416 CVE-2024-49126: Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability

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-2025-27487 [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-2025-26671 [HIGH] CWE-416 CVE-2025-26671: Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code ov Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.

CVE-2026-56189 [HIGH] CWE-122 CVE-2026-56189: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.

CVE-2024-49120 [HIGH] CWE-453 CVE-2024-49120: Windows Remote Desktop Services Remote Code Execution Vulnerability Windows Remote Desktop Services Remote Code Execution Vulnerability

CVE-2023-23416 [HIGH] CWE-20 CVE-2023-23416: Windows Cryptographic Services Remote Code Execution Vulnerability Windows Cryptographic Services Remote Code Execution Vulnerability

CVE-2026-83522 [HIGH] CWE-807 CVE-2026-83522: Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized attacker to perform spoofing over a network.

CVE-2025-62458 [HIGH] CWE-122 CVE-2025-62458: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

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-2023-36903 [CRITICAL] CWE-59 CVE-2023-36903: Windows System Assessment Tool Elevation of Privilege Vulnerability Windows System Assessment Tool Elevation of Privilege Vulnerability

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-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-2026-70060 [HIGH] CWE-122 CVE-2026-70060: Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevat Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-83579 [HIGH] CWE-122 CVE-2026-83579: Heap-based buffer overflow in Windows Smart Card allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Smart Card allows an authorized attacker to elevate privileges locally.

CVE-2026-68836 [HIGH] CWE-122 CVE-2026-68836: Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker to elevate privileg Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker to elevate privileges locally.