Microsoft Windows Server 2016 vulnerabilities

CVE-2026-26155 Medium · 6.5 CWE-126 Apr 14, 2026

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2026-26154 High · 7.5 CWE-20 Apr 14, 2026

Windows Server Update Service (WSUS) Tampering Vulnerability

Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

CVE-2026-26152 High · 7.0 CWE-922 Apr 14, 2026

Microsoft Cryptographic Services Elevation of Privilege Vulnerability

Insecure storage of sensitive information in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.

CVE-2026-26151 High · 7.1 CWE-357 Apr 14, 2026

Remote Desktop Spoofing Vulnerability

Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-23670 Medium · 5.7 CWE-822 Apr 14, 2026

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-20928 Medium · 4.6 CWE-212 Apr 14, 2026

Windows Recovery Environment Security Feature Bypass Vulnerability

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-2026-0390 Medium · 6.7 CWE-807 Apr 14, 2026

UEFI Secure Boot Security Feature Bypass Vulnerability

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-26128 High · 7.8 CWE-287 Mar 10, 2026

Windows SMB Server Elevation of Privilege Vulnerability

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

CVE-2026-26111 High · 8.0 CWE-190 Mar 10, 2026

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

CVE-2026-25190 High · 7.8 CWE-426 Mar 10, 2026

Windows GDI Remote Code Execution Vulnerability

Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally.

CVE-2026-25188 High · 8.8 CWE-122 Mar 10, 2026

Windows Telephony Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.

CVE-2026-25187 High · 7.8 CWE-59 Mar 10, 2026

Winlogon Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

CVE-2026-25186 Medium · 5.5 CWE-200 Mar 10, 2026

Windows Accessibility Infrastructure (ATBroker.exe) Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.

CVE-2026-25185 Medium · 5.3 CWE-200 Mar 10, 2026

Windows Shell Link Processing Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Shell Link Processing allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-25181 High · 7.5 CWE-125 Mar 10, 2026

GDI+ Information Disclosure Vulnerability

Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network.

CVE-2026-25180 Medium · 5.5 CWE-125 Mar 10, 2026

Windows Graphics Component Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.

CVE-2026-25179 High · 7.0 CWE-1287 Mar 10, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-25178 High · 7.0 CWE-416 Mar 10, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-25177 High · 8.8 CWE-641 Mar 10, 2026

Active Directory Domain Services Elevation of Privilege Vulnerability

Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.

CVE-2026-25176 High · 7.8 CWE-284 Mar 10, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-25175 High · 7.8 CWE-125 Mar 10, 2026

Windows NTFS Elevation of Privilege Vulnerability

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-25174 High · 7.8 CWE-125 Mar 10, 2026

Windows Extensible File Allocation Table Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.

CVE-2026-25173 High · 8.0 CWE-122 Mar 10, 2026

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

CVE-2026-25172 High · 8.0 CWE-122 Mar 10, 2026

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

CVE-2026-25171 High · 7.0 CWE-416 Mar 10, 2026

Windows Authentication Elevation of Privilege Vulnerability

Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.