Microsoft Windows Server 2022 23h2 vulnerabilities

CVE-2026-20829 Medium · 5.5 CWE-125 Jan 13, 2026

TPM Trustlet Information Disclosure Vulnerability

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

CVE-2026-20828 Medium · 4.6 CWE-125 Jan 13, 2026

Windows rndismp6.sys Information Disclosure Vulnerability

Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.

CVE-2026-20827 Medium · 5.5 CWE-200 Jan 13, 2026

Tablet Windows User Interface (TWINUI) Subsystem Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-20826 High · 7.0 CWE-362 Jan 13, 2026

Tablet Windows User Interface (TWINUI) Subsystem Information Disclosure Vulnerability

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

CVE-2026-20825 Medium · 4.4 CWE-284 Jan 13, 2026

Windows Hyper-V Information Disclosure Vulnerability

Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.

CVE-2026-20824 Medium · 5.5 CWE-693 Jan 13, 2026

Windows Remote Assistance Security Feature Bypass Vulnerability

Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.

CVE-2026-20823 Medium · 5.5 CWE-200 Jan 13, 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-2026-20822 High · 7.8 CWE-416 Jan 13, 2026

Windows Graphics Component Elevation of Privilege Vulnerability

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

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-2026-20808 High · 7.0 CWE-362 Jan 13, 2026

Windows File Explorer Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association Object 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.