Microsoft Windows Server 2022 vulnerabilities

CVE-2026-42968 Medium · 5.5 CWE-125 Jun 9, 2026

Windows Telephony Server Information Disclosure Vulnerability

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

CVE-2026-42916 High · 7.8 CWE-190 Jun 9, 2026

NT OS Kernel Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-42915 Medium · 5.5 CWE-131 Jun 9, 2026

Microsoft Windows VMSwitch Denial of Service Vulnerability

Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally.

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-2026-42913 High · 7.5 CWE-362 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-2026-42912 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-2026-42907 Medium · 6.5 CWE-200 Jun 9, 2026

Windows Shell Information Disclosure Vulnerability

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

CVE-2026-42906 Medium · 5.5 CWE-200 Jun 9, 2026

Windows Shell Information Disclosure Vulnerability

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

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-2026-42904 Critical · 9.6 CWE-122 Jun 9, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

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-2026-42837 High · 7.8 CWE-125 Jun 9, 2026

Windows Projected File System Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally.

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-2026-42828 High · 7.8 CWE-126 Jun 9, 2026

Windows Projected File System Elevation of Privilege Vulnerability

Buffer over-read in Windows Projected File System Filter Driver 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-2026-33828 High · 7.8 CWE-501 Jun 9, 2026

Windows Device Health Attestation (DHA) Elevation of Privilege Vulnerability

Trust boundary violation in Windows Attestation 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-2026-41097 Medium · 6.7 CWE-1329 May 12, 2026

Secure Boot Security Feature Bypass Vulnerability

Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.