Vulnerabilidades do Microsoft Windows Server 2025 (Server Core installation)

CVE-2026-50318 Alta · 7.8 CWE-121 14/07/2026

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

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

CVE-2026-50316 Média · 5.5 CWE-532 14/07/2026

Windows Kernel Information Disclosure Vulnerability

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-50311 Alta · 7.8 CWE-284 14/07/2026

Windows Server Elevation of Privilege Vulnerability

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

CVE-2026-50323 Alta · 7.0 CWE-416 14/07/2026

Windows Runtime Elevation of Privilege Vulnerability

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

CVE-2026-50308 Alta · 7.8 CWE-122 14/07/2026

Windows NTFS Remote Code Execution Vulnerability

Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50303 Média · 5.5 CWE-1240 14/07/2026

Windows Key Guard Security Feature Bypass Vulnerability

Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally.

CVE-2026-50300 Média · 5.5 CWE-125 14/07/2026

Windows DWM Core Library Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-50299 Média · 6.8 CWE-122 14/07/2026

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 Média · 6.8 CWE-190 14/07/2026

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 Alta · 7.0 CWE-284 14/07/2026

Win32k Elevation of Privilege Vulnerability

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

CVE-2026-50296 Alta · 7.0 CWE-416 14/07/2026

DirectX Graphics Kernel Elevation of Privilege Vulnerability

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

CVE-2026-50295 Média · 5.5 CWE-269 14/07/2026

Windows Zero Trust DNS Security Feature Bypass Vulnerability

Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a security feature locally.

CVE-2026-50294 Média · 6.2 CWE-497 14/07/2026

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-2026-50293 Alta · 7.8 CWE-416 14/07/2026

Windows Internal Task Bar Elevation of Privilege Vulnerability

Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges locally.

CVE-2026-49808 Alta · 7.8 CWE-362 14/07/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-49807 Média · 6.2 CWE-200 14/07/2026

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-2026-49806 Alta · 7.0 CWE-362 14/07/2026

Windows USB Print Driver Elevation of Privilege Vulnerability

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

CVE-2026-49805 Alta · 7.0 CWE-284 14/07/2026

Win32k Elevation of Privilege Vulnerability

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

CVE-2026-49804 Média · 6.6 CWE-122 14/07/2026

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 Alta · 7.0 CWE-362 14/07/2026

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 Média · 5.5 CWE-908 14/07/2026

Windows SMB Information Disclosure Vulnerability

Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-49800 Alta · 7.8 CWE-122 14/07/2026

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 Média · 6.5 CWE-400 14/07/2026

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-2026-49802 Alta · 7.0 CWE-362 14/07/2026

Windows USB Print Driver Elevation of Privilege Vulnerability

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

CVE-2026-49798 Crítica · 9.3 CWE-416 14/07/2026

Windows Kernel Elevation of Privilege Vulnerability

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