Microsoft Windows 11 24h2 vulnerabilities

CVE-2026-44802 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-2026-44801 High · 7.5 CWE-787 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-44799 High · 7.5 CWE-122 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42993 High · 7.5 CWE-122 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42992 High · 7.5 CWE-122 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42991 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-2026-42989 High · 7.8 CWE-59 Jun 9, 2026

Winlogon Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

CVE-2026-42986 High · 7.8 CWE-416 Jun 9, 2026

Microsoft Graphics Component Elevation of Privilege Vulnerability

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

CVE-2026-42985 High · 8.8 CWE-787 Jun 9, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42984 High · 7.0 CWE-416 Jun 9, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-42983 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-2026-42981 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.