Microsoft Windows Server 2025 vulnerabilities

CVE-2026-50343 High · 7.8 CWE-269 Jul 14, 2026

Microsoft Install Service Elevation of Privilege Vulnerability

Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.

CVE-2026-50341 Medium · 5.5 CWE-126 Jul 14, 2026

Windows NTFS Information Disclosure Vulnerability

Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-50340 High · 8.8 CWE-416 Jul 14, 2026

Windows Runtime Elevation of Privilege Vulnerability

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

CVE-2026-50339 Medium · 5.5 CWE-200 Jul 14, 2026

Windows Push Notification Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVE-2026-50337 High · 7.8 CWE-704 Jul 14, 2026

Windows Notification Elevation of Privilege Vulnerability

Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally.

CVE-2026-50335 High · 7.8 CWE-284 Jul 14, 2026

Windows Operating Systems Elevation of Privilege Vulnerability

Improper access control in Windows Operating Systems allows an authorized attacker to elevate privileges locally.

CVE-2026-50334 Medium · 5.5 CWE-200 Jul 14, 2026

Windows Push Notification Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.

CVE-2026-50332 High · 7.8 CWE-122 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50330 Critical · 9.8 CWE-122 Jul 14, 2026

Windows Remote Desktop Client Elevation of Privilege Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-50331 High · 7.8 CWE-416 Jul 14, 2026

Windows Application Model Core API Elevation of Privilege Vulnerability

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

CVE-2026-50329 High · 7.8 CWE-416 Jul 14, 2026

Microsoft DWM Core Library Elevation of Privilege Vulnerability

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

CVE-2026-50328 High · 7.5 CWE-20 Jul 14, 2026

Windows Server Update Service (WSUS) Tampering Vulnerability

Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

CVE-2026-50327 High · 7.8 CWE-122 Jul 14, 2026

Windows Media Remote Code Execution Vulnerability

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

CVE-2026-50326 High · 7.8 CWE-416 Jul 14, 2026

Windows Unified Consent System Elevation of Privilege Vulnerability

Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally.

CVE-2026-50324 Medium · 5.9 CWE-835 Jul 14, 2026

Windows Active Directory Federation Services Denial of Service Vulnerability

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

CVE-2026-50322 High · 7.0 CWE-362 Jul 14, 2026

Windows Runtime Elevation of Privilege Vulnerability

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

CVE-2026-50321 High · 7.0 CWE-362 Jul 14, 2026

Windows USB Driver Elevation of Privilege Vulnerability

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

CVE-2026-50317 High · 7.0 CWE-362 Jul 14, 2026

Windows Operating Systems Elevation of Privilege Vulnerability

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

CVE-2026-50315 High · 7.8 CWE-476 Jul 14, 2026

Windows Image Acquisition Elevation of Privilege Vulnerability

Null pointer dereference in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.

CVE-2026-50313 High · 7.8 CWE-122 Jul 14, 2026

Windows NTFS Remote Code Execution Vulnerability

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

CVE-2026-50312 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-2026-50310 Medium · 4.7 CWE-190 Jul 14, 2026

Windows Human Interface Device Information Disclosure Vulnerability

Integer overflow or wraparound in Windows Devices Human Interface allows an authorized attacker to disclose information locally.

CVE-2026-50309 High · 7.8 CWE-122 Jul 14, 2026

Windows NTFS Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-50307 High · 7.8 CWE-416 Jul 14, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-50306 High · 7.8 CWE-190 Jul 14, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.