Microsoft Windows Server 2022 vulnerabilities

CVE-2026-55004 High · 7.8 CWE-415 Jul 14, 2026

Windows Print Configuration Elevation of Privilege Vulnerability

Double free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-55003 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 unauthorized attacker to disclose information over a network.

CVE-2026-55001 High · 7.8 CWE-295 Jul 14, 2026

Active Directory Domain Services Elevation of Privilege Vulnerability

Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.

CVE-2026-54999 High · 8.8 CWE-362 Jul 14, 2026

Windows TCP/IP Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.

CVE-2026-54997 Medium · 5.5 CWE-908 Jul 14, 2026

Windows SMB Information Disclosure Vulnerability

Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-54995 Critical · 9.8 CWE-416 Jul 14, 2026

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

CVE-2026-54993 High · 7.8 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-2026-54992 High · 7.8 CWE-122 Jul 14, 2026

Microsoft Message Queuing Queue Manager Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.

CVE-2026-54989 High · 7.8 CWE-416 Jul 14, 2026

Quality Windows Audio/Video Experience (QWAVE) Elevation of Privilege Vulnerability

Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.

CVE-2026-54987 High · 7.8 CWE-122 Jul 14, 2026

Windows Overlay Filter Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-54986 High · 7.8 CWE-122 Jul 14, 2026

Windows Win32k Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-54983 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-54982 High · 8.8 CWE-191 Jul 14, 2026

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

CVE-2026-54129 High · 7.8 CWE-416 Jul 14, 2026

Windows Hyper-V Elevation of Privilege Vulnerability

Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-54127 High · 8.4 CWE-416 Jul 14, 2026

Windows Hyper-V Elevation of Privilege Vulnerability

Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.

CVE-2026-54122 High · 8.4 CWE-122 Jul 14, 2026

Windows GDI+ Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.

CVE-2026-54119 High · 7.5 CWE-835 Jul 14, 2026

Windows Active Directory Denial of Service Vulnerability

Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to deny service over a network.

CVE-2026-54114 High · 7.8 CWE-416 Jul 14, 2026

Windows Win32k Elevation of Privilege Vulnerability

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-54112 High · 7.0 CWE-362 Jul 14, 2026

Windows Win32k Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-54109 High · 7.8 CWE-122 Jul 14, 2026

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

CVE-2026-54107 High · 7.0 CWE-362 Jul 14, 2026

Windows Win32k Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-50697 High · 7.8 CWE-200 Jul 14, 2026

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-50696 High · 7.5 CWE-122 Jul 14, 2026

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-50695 High · 7.5 CWE-121 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

CVE-2026-50694 Critical · 9.8 CWE-416 Jul 14, 2026

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.