Microsoft Windows Server 2025 vulnerabilities

CVE-2026-50436 High · 7.8 CWE-416 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50431 Medium · 5.5 CWE-200 Jul 14, 2026

Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

CVE-2026-50430 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-2026-50429 High · 8.2 CWE-125 Jul 14, 2026

Windows Kernel Information Disclosure Vulnerability

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

CVE-2026-50427 High · 7.8 CWE-362 Jul 14, 2026

Content Delivery Manager Elevation of Privilege Vulnerability

Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-50426 Medium · 6.8 CWE-23 Jul 14, 2026

Windows DNS Server Remote Code Execution Vulnerability

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.

CVE-2026-50425 High · 7.8 CWE-416 Jul 14, 2026

Windows Internal System User Profile Elevation of Privilege Vulnerability

Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

CVE-2026-50424 High · 7.5 CWE-822 Jul 14, 2026

Windows Domain Controller Denial of Service Vulnerability

Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a network.

CVE-2026-50423 High · 7.8 CWE-284 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50422 High · 7.8 CWE-125 Jul 14, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-50421 High · 7.8 CWE-843 Jul 14, 2026

Windows Connected User Experiences and Telemetry Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVE-2026-50419 Low · 3.3 CWE-200 Jul 14, 2026

Windows Kernel Information Disclosure Vulnerability

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

CVE-2026-50420 Medium · 5.5 CWE-125 Jul 14, 2026

HTTP.sys Information Disclosure Vulnerability

Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.

CVE-2026-50418 Medium · 6.1 CWE-284 Jul 14, 2026

Windows System Secure Feature Bypass Vulnerability

Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.

CVE-2026-50417 High · 7.8 CWE-20 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-2026-50416 Low · 3.3 CWE-200 Jul 14, 2026

Win32k Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.

CVE-2026-50415 High · 7.5 CWE-200 Jul 14, 2026

Windows Media Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Media allows an unauthorized attacker to disclose information over a network.

CVE-2026-50414 High · 8.8 CWE-362 Jul 14, 2026

Windows Media Elevation of Privilege Vulnerability

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

CVE-2026-50413 High · 7.8 CWE-416 Jul 14, 2026

Windows Runtime Elevation of Privilege Vulnerability

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

CVE-2026-50412 High · 7.8 CWE-121 Jul 14, 2026

Windows NTFS Elevation of Privilege Vulnerability

Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-50411 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-2026-50410 High · 7.0 CWE-416 Jul 14, 2026

Windows Runtime Elevation of Privilege Vulnerability

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

CVE-2026-50409 Medium · 5.5 CWE-200 Jul 14, 2026

Windows Overlay Filter Information Disclosure Vulnerability

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

CVE-2026-50407 High · 7.8 CWE-122 Jul 14, 2026

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-50405 High · 7.8 CWE-1220 Jul 14, 2026

Windows Filtering Platform Elevation of Privilege Vulnerability

Insufficient granularity of access control in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.