Microsoft Windows Server 2012 vulnerabilities

CVE-2025-27481 [HIGH] CWE-121 CVE-2025-27481: Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

CVE-2026-45602 [CRITICAL] CWE-349 CVE-2026-45602: No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering ov No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

CVE-2022-30163 [HIGH] CWE-362 CVE-2022-30163: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2019-0796 [MEDIUM] CVE-2019-0796: An elevation of privilege vulnerability exists when Windows improperly handles calls to the LUAFV dr An elevation of privilege vulnerability exists when Windows improperly handles calls to the LUAFV driver (luafv.sys), aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0805, CVE-2019-0836, CVE-2019-0841.

CVE-2026-69521 [HIGH] CWE-190 CVE-2026-69521: Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69619 [HIGH] CWE-125 CVE-2026-69619: Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-85936 [HIGH] CWE-122 CVE-2026-85936: Double free in Windows Shell allows an unauthorized attacker to execute code over a network. Double free in Windows Shell allows an unauthorized attacker to execute code over a network.

CVE-2020-1042 [CRITICAL] CVE-2020-1042: A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to pr A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1040, CVE-2020-1041, CVE-2020-1043.

CVE-2020-1032 [CRITICAL] CWE-20 CVE-2020-1032: A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to pr A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1036, CVE-2020-1040, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.

CVE-2020-1043 [CRITICAL] CVE-2020-1043: A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to pr A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1040, CVE-2020-1041, CVE-2020-1042.

CVE-2020-1041 [CRITICAL] CVE-2020-1041: A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to pr A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1040, CVE-2020-1042, CVE-2020-1043.

CVE-2026-83996 [HIGH] CWE-122 CVE-2026-83996: Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2025-21294 [HIGH] CWE-591 CVE-2025-21294: Microsoft Digest Authentication Remote Code Execution Vulnerability Microsoft Digest Authentication Remote Code Execution Vulnerability

CVE-2020-17040 [CRITICAL] CVE-2020-17040: Windows Hyper-V Security Feature Bypass Vulnerability Windows Hyper-V Security Feature Bypass Vulnerability

CVE-2020-17042 [HIGH] CVE-2020-17042: Windows Print Spooler Remote Code Execution Vulnerability Windows Print Spooler Remote Code Execution Vulnerability

CVE-2026-88120 [HIGH] CWE-416 CVE-2026-88120: Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88119 [HIGH] CWE-416 CVE-2026-88119: Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

CVE-2026-108460 [HIGH] CWE-416 CVE-2026-108460: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

CVE-2026-70038 [HIGH] CWE-122 CVE-2026-70038: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network. Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-88117 [HIGH] CWE-416 CVE-2026-88117: Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.