Microsoft Windows 10 21h2 vulnerabilities

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.

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-2026-50406 High · 7.8 CWE-416 Jul 14, 2026

Windows Backup Engine Elevation of Privilege Vulnerability

Use after free in Windows Backup Engine 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.

CVE-2026-50402 High · 7.8 CWE-126 Jul 14, 2026

NTFS Elevation of Privilege Vulnerability

Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-50401 Medium · 5.5 CWE-125 Jul 14, 2026

Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.

CVE-2026-50400 High · 7.8 CWE-121 Jul 14, 2026

Windows App Package Installer Elevation of Privilege Vulnerability

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

CVE-2026-50399 High · 7.8 CWE-125 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50397 High · 7.0 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-2026-50394 Medium · 5.5 CWE-200 Jul 14, 2026

Windows Media Information Disclosure Vulnerability

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

CVE-2026-50391 High · 7.8 CWE-269 Jul 14, 2026

Windows Group Policy Elevation of Privilege Vulnerability

Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privileges locally.

CVE-2026-50389 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-2026-50388 High · 7.8 CWE-125 Jul 14, 2026

Windows NTFS Remote Code Execution Vulnerability

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50386 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-2026-50390 High · 7.8 CWE-843 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-50387 High · 7.8 CWE-121 Jul 14, 2026

Windows GDI Elevation of Privilege Vulnerability

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

CVE-2026-50383 Medium · 5.5 CWE-126 Jul 14, 2026

Windows Print Spooler Information Disclosure Vulnerability

Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

CVE-2026-50382 High · 8.8 CWE-822 Jul 14, 2026

DirectX Graphics Kernel Remote Code Execution Vulnerability

Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.

CVE-2026-50380 Critical · 9.6 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 over a network.

CVE-2026-50378 High · 7.0 CWE-362 Jul 14, 2026

Windows Key Guard Elevation of Privilege Vulnerability

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