Microsoft Windows Server 2022 vulnerabilities

CVE-2026-20821 Medium · 6.2 CWE-200 Jan 13, 2026

Remote Procedure Call Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.

CVE-2026-20820 High · 7.8 CWE-122 Jan 13, 2026

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-20818 Medium · 6.2 CWE-532 Jan 13, 2026

Windows Kernel Information Disclosure Vulnerability

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

CVE-2026-20817 High · 7.8 CWE-280 Jan 13, 2026

Windows Error Reporting Service Elevation of Privilege Vulnerability

Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2026-20816 High · 7.0 CWE-367 Jan 13, 2026

Windows Installer Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-20814 High · 7.0 CWE-362 Jan 13, 2026

DirectX Graphics Kernel Elevation of Privilege Vulnerability

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

CVE-2026-20812 Medium · 6.5 CWE-20 Jan 13, 2026

LDAP Tampering Vulnerability

Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to perform tampering over a network.

CVE-2026-20811 High · 7.8 CWE-822 Jan 13, 2026

Win32k Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2026-20809 High · 7.8 CWE-122 Jan 13, 2026

Windows Kernel Memory Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.

CVE-2026-20805 Medium · 5.5 KEV High · 58 Public exploit CWE-200 Jan 13, 2026

Microsoft Windows Information Disclosure Vulnerability

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

CVE-2026-20804 High · 7.7 CWE-266 Jan 13, 2026

Windows Hello Tampering Vulnerability

Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

CVE-2026-0386 High · 7.5 CWE-284 Jan 13, 2026

Windows Deployment Services Remote Code Execution Vulnerability

Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.

CVE-2025-64680 High · 7.8 CWE-122 Dec 9, 2025

Windows DWM Core Library Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-64679 High · 7.8 CWE-122 Dec 9, 2025

Windows DWM Core Library Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-64678 High · 8.8 CWE-122 Dec 9, 2025

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2025-64673 High · 7.8 CWE-284 Dec 9, 2025

Windows Storage VSP Driver Elevation of Privilege Vulnerability

Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-64670 Medium · 6.5 CWE-200 Dec 9, 2025

Windows DirectX Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information over a network.

CVE-2025-64661 High · 7.8 CWE-362 Dec 9, 2025

Windows Shell Elevation of Privilege Vulnerability

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

CVE-2025-64658 High · 7.5 CWE-362 Dec 9, 2025

Windows File Explorer Elevation of Privilege Vulnerability

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

CVE-2025-62573 High · 7.0 CWE-416 Dec 9, 2025

DirectX Graphics Kernel Elevation of Privilege Vulnerability

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

CVE-2025-62571 High · 7.8 CWE-20 Dec 9, 2025

Windows Installer Elevation of Privilege Vulnerability

Improper input validation in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2025-62567 Medium · 5.3 CWE-191 Dec 9, 2025

Windows Hyper-V Denial of Service Vulnerability

Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.

CVE-2025-62565 High · 7.3 CWE-416 Dec 9, 2025

Windows File Explorer Elevation of Privilege Vulnerability

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

CVE-2025-62549 High · 8.8 CWE-822 Dec 9, 2025

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2025-62474 High · 7.8 CWE-284 Dec 9, 2025

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.