Microsoft Windows Server 2012 (Server Core installation) vulnerabilities

CVE-2026-42914 Medium · 5.3 CWE-125 Jun 9, 2026

Windows Kerberos Denial of Service Vulnerability

Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

CVE-2026-42912 High · 7.0 CWE-362 Jun 9, 2026

Windows Telephony Service Elevation of Privilege Vulnerability

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

CVE-2026-42911 High · 7.0 CWE-416 Jun 9, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-42909 High · 7.5 CWE-787 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42908 High · 7.5 CWE-125 Jun 9, 2026

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-42905 High · 7.8 CWE-416 Jun 9, 2026

Windows DWM Core Library Elevation of Privilege Vulnerability

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2026-42903 Medium · 6.5 CWE-476 Jun 9, 2026

Windows Kerberos Denial of Service Vulnerability

Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.

CVE-2026-42836 High · 7.0 CWE-362 Jun 9, 2026

Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

CVE-2026-41108 High · 7.0 CWE-122 Jun 9, 2026

Windows DNS Client Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-41092 High · 7.8 CWE-284 Jun 9, 2026

Microsoft Kinect Elevation of Privilege Vulnerability

Improper access control in Microsoft Kinect allows an authorized attacker to elevate privileges locally.

CVE-2026-40409 High · 7.8 CWE-197 Jun 9, 2026

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

CVE-2026-40404 High · 7.8 CWE-122 Jun 9, 2026

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

CVE-2026-34335 High · 7.0 CWE-416 Jun 9, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-42825 High · 7.0 CWE-416 May 12, 2026

Windows Telephony Service Elevation of Privilege Vulnerability

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

CVE-2026-41089 Critical · 9.8 CWE-121 May 12, 2026

Windows Netlogon Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

CVE-2026-40414 High · 7.4 CWE-476 May 12, 2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40413 High · 7.4 CWE-476 May 12, 2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40408 High · 7.8 CWE-416 May 12, 2026

Windows WAN ARP Driver Elevation of Privilege Vulnerability

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-40407 High · 7.8 CWE-122 May 12, 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-2026-40406 High · 7.5 CWE-416 May 12, 2026

Windows TCP/IP Information Disclosure Vulnerability

Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.

CVE-2026-40403 High · 8.8 CWE-122 May 12, 2026

Windows Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CVE-2026-40401 High · 7.1 CWE-476 May 12, 2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40398 High · 7.8 CWE-122 May 12, 2026

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

CVE-2026-40397 High · 7.8 CWE-191 May 12, 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-2026-40382 High · 7.8 CWE-416 May 12, 2026

Windows Telephony Service Elevation of Privilege Vulnerability

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