Vulnerabilidades do Microsoft Windows Server 2019 (Server Core installation)

CVE-2026-20872 Média · 6.5 CWE-73 13/01/2026

NTLM Hash Disclosure Spoofing Vulnerability

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-20869 Alta · 7.0 CWE-362 13/01/2026

Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability

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

CVE-2026-20868 Alta · 8.8 CWE-122 13/01/2026

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-2026-20867 Alta · 7.8 CWE-362 13/01/2026

Windows Management Services Elevation of Privilege Vulnerability

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

CVE-2026-20866 Alta · 7.8 CWE-362 13/01/2026

Windows Management Services Elevation of Privilege Vulnerability

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

CVE-2026-20865 Alta · 7.8 CWE-416 13/01/2026

Windows Management Services Elevation of Privilege Vulnerability

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

CVE-2026-20864 Alta · 7.8 CWE-122 13/01/2026

Windows Connected Devices Platform Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

CVE-2026-20862 Média · 5.5 CWE-200 13/01/2026

Windows Management Services Information Disclosure Vulnerability

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

CVE-2026-20861 Alta · 7.8 CWE-362 13/01/2026

Windows Management Services Elevation of Privilege Vulnerability

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

CVE-2026-20860 Alta · 7.8 CWE-843 13/01/2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-20858 Alta · 7.8 CWE-362 13/01/2026

Windows Management Services Elevation of Privilege Vulnerability

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

CVE-2026-20857 Alta · 7.8 CWE-822 13/01/2026

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-20856 Alta · 8.1 CWE-20 13/01/2026

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

CVE-2026-20852 Alta · 7.7 CWE-266 13/01/2026

Windows Hello Tampering Vulnerability

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

CVE-2026-20849 Alta · 7.5 CWE-807 13/01/2026

Windows Kerberos Elevation of Privilege Vulnerability

Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

CVE-2026-20848 Alta · 7.5 CWE-362 13/01/2026

Windows SMB Server Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20847 Média · 6.5 CWE-200 13/01/2026

Microsoft Windows File Explorer Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

CVE-2026-20844 Alta · 7.4 CWE-362 13/01/2026

Windows Clipboard Server Elevation of Privilege Vulnerability

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

CVE-2026-20843 Alta · 7.8 CWE-284 13/01/2026

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

Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVE-2026-20840 Alta · 7.8 CWE-122 13/01/2026

Windows NTFS Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-20839 Média · 5.5 CWE-284 13/01/2026

Windows Client-Side Caching (CSC) Service Information Disclosure Vulnerability

Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.

CVE-2026-20837 Alta · 7.8 CWE-122 13/01/2026

Windows Media Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.

CVE-2026-20836 Alta · 7.0 CWE-362 13/01/2026

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-2026-20834 Média · 4.6 CWE-36 13/01/2026

Windows Spoofing Vulnerability

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.

CVE-2026-20833 Média · 5.5 CWE-327 13/01/2026

Windows Kerberos Information Disclosure Vulnerability

Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.