Microsoft Windows Server 2012 R2 (Server Core installation) vulnerabilities

CVE-2026-58545 Medium · 5.5 CWE-284 Jul 14, 2026

Windows Kernel Security Feature Bypass Vulnerability

Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.

CVE-2026-58540 High · 7.8 CWE-285 Jul 14, 2026

Windows Installer Elevation of Privilege Vulnerability

Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-58539 High · 7.5 CWE-125 Jul 14, 2026

Windows Remote Desktop Client Information Disclosure Vulnerability

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

CVE-2026-58535 High · 7.5 CWE-908 Jul 14, 2026

Windows Remote Desktop Client Information Disclosure Vulnerability

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-58533 High · 7.5 CWE-908 Jul 14, 2026

Windows Remote Desktop Client Information Disclosure Vulnerability

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-58532 High · 7.8 CWE-190 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-58531 High · 7.5 CWE-362 Jul 14, 2026

Windows SMB Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB allows an authorized attacker to elevate privileges over a network.

CVE-2026-57982 Medium · 6.5 CWE-908 Jul 14, 2026

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information over a network.

CVE-2026-57096 High · 7.8 CWE-122 Jul 14, 2026

Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVE-2026-57095 High · 7.8 CWE-200 Jul 14, 2026

Win32k Elevation of Privilege Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an unauthorized attacker to elevate privileges locally.

CVE-2026-57093 High · 7.8 CWE-416 Jul 14, 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-2026-57092 Critical · 9.9 CWE-416 Jul 14, 2026

Microsoft Windows VMSwitch Elevation of Privilege Vulnerability

Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.

CVE-2026-57089 Critical · 9.8 CWE-416 Jul 14, 2026

Windows SMB Server Network Transport Driver (srvnet.sys) Remote Code Execution Vulnerability

Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.

CVE-2026-57085 Low · 3.3 CWE-125 Jul 14, 2026

Windows Print Spooler Information Disclosure Vulnerability

Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

CVE-2026-57084 Medium · 5.5 CWE-908 Jul 14, 2026

Windows File Explorer Information Disclosure Vulnerability

Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.

CVE-2026-57083 Medium · 5.5 CWE-908 Jul 14, 2026

Windows Media Photo Codec Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose information locally.

CVE-2026-56650 High · 7.8 CWE-122 Jul 14, 2026

Windows Network File System Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges locally.

CVE-2026-56649 High · 8.1 CWE-362 Jul 14, 2026

Windows Network File System Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Network File System allows an unauthorized attacker to execute code over a network.

CVE-2026-56648 High · 7.5 CWE-367 Jul 14, 2026

Windows NFS Server Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-56647 High · 8.8 CWE-190 Jul 14, 2026

Windows Remote Access Service Infrastructure Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.

CVE-2026-56194 High · 8.8 CWE-122 Jul 14, 2026

Windows NFS Server Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-56190 Critical · 9.8 CWE-908 Jul 14, 2026

Remote Desktop Protocol Remote Code Execution Vulnerability

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.

CVE-2026-56189 High · 8.4 CWE-122 Jul 14, 2026

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.

CVE-2026-56188 High · 8.1 CWE-362 Jul 14, 2026

Windows Server Network driver Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.

CVE-2026-56186 Medium · 6.5 CWE-125 Jul 14, 2026

Windows Secure Channel Information Disclosure Vulnerability

Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.