Microsoft Windows Server 2019 vulnerabilities

CVE-2026-50299 Medium · 6.8 CWE-122 Jul 14, 2026

Windows Storage Spaces Direct Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-50298 Medium · 6.8 CWE-190 Jul 14, 2026

Windows Spaceport.sys Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-50297 High · 7.0 CWE-284 Jul 14, 2026

Win32k Elevation of Privilege Vulnerability

Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-50296 High · 7.0 CWE-416 Jul 14, 2026

DirectX Graphics Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50294 Medium · 6.2 CWE-497 Jul 14, 2026

Windows Kernel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

CVE-2026-49807 Medium · 6.2 CWE-200 Jul 14, 2026

Windows DirectX Information Disclosure Vulnerability

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

CVE-2026-49805 High · 7.0 CWE-284 Jul 14, 2026

Win32k Elevation of Privilege Vulnerability

Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-49804 Medium · 6.6 CWE-122 Jul 14, 2026

Windows USB Video Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-49803 High · 7.0 CWE-362 Jul 14, 2026

Windows AppX Deployment Extensions Elevation of Privilege Vulnerability

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

CVE-2026-49801 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-2026-49800 High · 7.8 CWE-122 Jul 14, 2026

Windows Web Proxy Auto-Discovery Protocol (WPAD) Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.

CVE-2026-49799 Medium · 6.5 CWE-400 Jul 14, 2026

Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

CVE-2026-49798 Critical · 9.3 CWE-416 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-49797 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-2026-49796 High · 7.8 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-2026-49795 High · 8.8 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-2026-49794 Medium · 4.6 CWE-125 Jul 14, 2026

Windows USB Audio Class Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.

CVE-2026-49793 High · 7.8 CWE-122 Jul 14, 2026

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

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

CVE-2026-49792 High · 7.8 CWE-197 Jul 14, 2026

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

CVE-2026-49791 High · 7.8 CWE-59 Jul 14, 2026

Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVE-2026-49788 High · 7.5 CWE-770 Jul 14, 2026

HTTP/2 Denial of Service Vulnerability

Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.

CVE-2026-49787 High · 7.5 CWE-770 Jul 14, 2026

HTTP.sys Denial of Service Vulnerability

Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.

CVE-2026-49790 High · 7.8 CWE-122 Jul 14, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

CVE-2026-49789 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-2026-49784 High · 7.0 CWE-362 Jul 14, 2026

Microsoft Windows App Store Elevation of Privilege Vulnerability

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