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Known vulnerabilities in Microsoft Windows 11 Version 25H2

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CVE Summary Score Published
CVE-2026-45602 No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network 9.1 Critical Jun 9, 2026
CVE-2026-45635 Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) allows an… 8.1 High Jun 9, 2026
CVE-2026-45600 Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized… 7.8 High Jun 9, 2026
CVE-2026-45596 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Jun 9, 2026
CVE-2026-45636 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-45598 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… 7.0 High Jun 9, 2026
CVE-2026-45601 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… 7.0 High Jun 9, 2026
CVE-2026-45597 Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager… 7.0 High Jun 9, 2026
CVE-2026-45599 Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network 8.1 High Jun 9, 2026
CVE-2026-45595 Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security… 5.4 Medium Jun 9, 2026
CVE-2026-45594 Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) Subsystem allows an… 5.5 Medium Jun 9, 2026
CVE-2026-45604 Out-of-bounds read in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose… 5.5 Medium Jun 9, 2026
CVE-2026-45592 Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges… 7.8 High Jun 9, 2026
CVE-2026-45593 Use after free in Windows SDK allows an authorized attacker to elevate privileges locally 7.8 High Jun 9, 2026
CVE-2026-45586 Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows… 7.8 High Jun 9, 2026
CVE-2026-42829 Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature… 7.8 High Jun 9, 2026
CVE-2026-42828 Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges… 7.8 High Jun 9, 2026
CVE-2026-48583 Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Jun 9, 2026
CVE-2026-48578 Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally 7.9 High Jun 9, 2026
CVE-2026-48575 Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally 7.9 High Jun 9, 2026
CVE-2026-48576 No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally 7.9 High Jun 9, 2026
CVE-2026-48570 Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally 7.9 High Jun 9, 2026
CVE-2026-48573 No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally 7.9 High Jun 9, 2026
CVE-2026-48566 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 5.5 Medium Jun 9, 2026
CVE-2026-48568 Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally 7.9 High Jun 9, 2026

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