Microsoft Windows 10 Version 21H2 vulnerabilities

CVE-2026-50447 Critical · 9.8 CWE-122 Jul 14, 2026

Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

CVE-2026-50445 High · 7.5 CWE-126 Jul 14, 2026

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

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

CVE-2026-50442 Medium · 5.5 CWE-200 Jul 14, 2026

Windows File Explorer Information Disclosure Vulnerability

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

CVE-2026-50441 High · 7.8 CWE-822 Jul 14, 2026

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-50439 Critical · 9.8 CWE-416 Jul 14, 2026

Microsoft Message Queuing Queue Manager Remote Code Execution Vulnerability

Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.

CVE-2026-50437 Medium · 5.5 CWE-125 Jul 14, 2026

Windows DWM Core Library Information Disclosure Vulnerability

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

CVE-2026-50435 High · 7.8 CWE-126 Jul 14, 2026

Windows Overlay Filter Elevation of Privilege Vulnerability

Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-50434 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-2026-50433 High · 7.8 CWE-416 Jul 14, 2026

Windows Media Elevation of Privilege Vulnerability

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

CVE-2026-50432 Medium · 6.5 CWE-416 Jul 14, 2026

Window Virtual Filtering Platform (VFP) Denial of Service Vulnerability

Use after free in Windows Virtual Filtering Platform (VFP) allows an authorized attacker to deny service over a network.

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-2026-50425 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-2026-50423 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-2026-50417 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-2026-50415 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-2026-50412 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.