Microsoft Windows Server 2012 R2 vulnerabilities

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-2019-1153 [MEDIUM] CWE-125 CVE-2019-1153: An information disclosure vulnerability exists when the Microsoft Windows Graphics Component imprope An information disclosure vulnerability exists when the Microsoft Windows Graphics Component improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would have to log on to an affected system and run a spe

CVE-2019-1148 [MEDIUM] CWE-125 CVE-2019-1148: An information disclosure vulnerability exists when the Microsoft Windows Graphics Component imprope An information disclosure vulnerability exists when the Microsoft Windows Graphics Component improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would have to log on to an affected system and run a spe

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-2025-26671 [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-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-2024-49120 [HIGH] CWE-453 CVE-2024-49120: Windows Remote Desktop Services Remote Code Execution Vulnerability Windows Remote Desktop Services Remote Code Execution Vulnerability

CVE-2025-32710 [HIGH] CWE-362 CVE-2025-32710: 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-2026-50476 [HIGH] CWE-416 CVE-2026-50476: Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally.

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

CVE-2020-1013 [HIGH] CVE-2020-1013: <p>An elevation of privilege vulnerability exists when Microsoft Windows processes group policy upda An elevation of privilege vulnerability exists when Microsoft Windows processes group policy updates. An attacker who successfully exploited this vulnerability could potentially escalate permissions or perform additional privileged actions on the target machine. To exploit this vulnerability, an attacker would need to launch a man-in-the-middle (MiTM) attack ag

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-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-2026-54992 [HIGH] CWE-122 CVE-2026-54992: Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code 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-2024-38263 [HIGH] CWE-591 CVE-2024-38263: Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability

CVE-2026-50489 [HIGH] CWE-122 CVE-2026-50489: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.