CVE Intelligence

Microsoft Windows 11 version 23H2 vulnerabilities

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Published CVEs affecting Microsoft Windows 11 version 23H2: 2389 record(s), with affected versions and fixes.

CVE-2026-42981 High · 8.1 CWE-191 Jun 9, 2026
Windows Performance Monitor Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CVE-2026-42980 High · 7.8 CWE-122 Jun 9, 2026
NT OS Kernel Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-42979 High · 7.8 CWE-362 Jun 9, 2026
Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42978 High · 7.8 CWE-362 Jun 9, 2026
Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42977 High · 7.8 CWE-362 Jun 9, 2026
Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42974 High · 8.1 CWE-190 Jun 9, 2026
Windows Performance Monitor Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CVE-2026-42973 Medium · 5.5 CWE-200 Jun 9, 2026
Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
CVE-2026-42972 Medium · 5.5 CWE-200 Jun 9, 2026
Windows Hyper-V Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Hyper-V allows an authorized attacker to disclose information locally.
CVE-2026-42971 Medium · 5.5 CWE-200 Jun 9, 2026
Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
CVE-2026-42970 Medium · 5.5 CWE-200 Jun 9, 2026
Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
CVE-2026-42969 Medium · 5.5 CWE-908 Jun 9, 2026
Windows Push Notification Information Disclosure Vulnerability
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
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.