Microsoft Windows Server 2016 vulnerabilities

CVE-2026-27922 [HIGH] CWE-416 CVE-2026-27922: 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-2026-26159 [HIGH] CWE-306 CVE-2026-26159: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an a Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

CVE-2026-27913 [HIGH] CWE-20 CVE-2026-27913: Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

CVE-2026-32077 [HIGH] CWE-822 CVE-2026-32077: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-26182 [HIGH] CWE-416 CVE-2026-26182: 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-2026-27908 [HIGH] CWE-416 CVE-2026-27908: Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-20928 [MEDIUM] CWE-212 CVE-2026-20928: Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-32202 [MEDIUM] CWE-693 CVE-2026-32202: Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing ov Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-0390 [MEDIUM] CWE-807 CVE-2026-0390: Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized atta Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-32072 [MEDIUM] CWE-287 CVE-2026-32072: Improper authentication in Windows Active Directory allows an unauthorized attacker to perform spoof Improper authentication in Windows Active Directory allows an unauthorized attacker to perform spoofing locally.

CVE-2026-27925 [MEDIUM] CWE-416 CVE-2026-27925: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.

CVE-2026-32214 [MEDIUM] CWE-284 CVE-2026-32214: Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to discl Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

CVE-2026-26175 [MEDIUM] CWE-908 CVE-2026-26175: Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a se Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-32212 [MEDIUM] CWE-59 CVE-2026-32212: Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

CVE-2026-32085 [MEDIUM] CWE-200 CVE-2026-32085: Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows a Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an authorized attacker to disclose information locally.

CVE-2026-32217 [MEDIUM] CWE-532 CVE-2026-32217: Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-26155 [MEDIUM] CWE-126 CVE-2026-26155: Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2026-23670 [MEDIUM] CWE-822 CVE-2026-23670: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an autho Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-32081 [MEDIUM] CWE-200 CVE-2026-32081: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

CVE-2026-32079 [MEDIUM] CWE-200 CVE-2026-32079: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.