Microsoft Windows Server 2012 R2 vulnerabilities

CVE-2025-29833 [HIGH] CWE-367 CVE-2025-29833: Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthori Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.

CVE-2025-62213 [HIGH] CWE-416 CVE-2025-62213: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-85870 [HIGH] CWE-122 CVE-2026-85870: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2020-0836 [HIGH] CVE-2020-0836: <p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive. To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service. The update address

CVE-2026-85791 [HIGH] CWE-122 CVE-2026-85791: Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

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-2026-103555 [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-2026-69564 [HIGH] CWE-122 CVE-2026-69564: Heap-based buffer overflow in Windows Online Certificate Status Protocol (OCSP) allows an authorized Heap-based buffer overflow in Windows Online Certificate Status Protocol (OCSP) 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-2020-1136 [HIGH] CWE-787 CVE-2020-1136: A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincin

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-2026-69497 [MEDIUM] CWE-401 CVE-2026-69497: Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attac Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service 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-2026-69297 [MEDIUM] CWE-257 CVE-2026-69297: Storing passwords in a recoverable format in Windows DHCP Server allows an authorized attacker to di Storing passwords in a recoverable format in Windows DHCP Server allows an authorized attacker to disclose information 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-2026-69624 [MEDIUM] CWE-184 CVE-2026-69624: Incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) allows an auth Incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) allows an authorized attacker to perform tampering over a network.

CVE-2020-1492 [HIGH] CWE-787 CVE-2020-1492: A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincin

CVE-2020-1554 [HIGH] CWE-787 CVE-2020-1554: A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincin

CVE-2020-1379 [HIGH] CWE-787 CVE-2020-1379: A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincin