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Vulnerabilities of Microsoft Windows 11 Version 26H2

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CVE Summary Score Published
CVE-2026-69971 Incorrect authorization in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-69973 Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Libarchive allows an… 6.5 Medium Oct 13, 2026
CVE-2026-69974 Out-of-bounds read in Desktop Window Manager allows an authorized attacker to disclose information locally 4.7 Medium Oct 13, 2026
CVE-2026-69976 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-69964 Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-69966 Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-69978 Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally 5.6 Medium Oct 13, 2026
CVE-2026-69979 Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a… 5.5 Medium Oct 13, 2026
CVE-2026-69968 Relative path traversal in Windows Libarchive allows an unauthorized attacker to perform tampering over a network 6.5 Medium Oct 13, 2026
CVE-2026-70010 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69954 Buffer over-read in Windows Overlay Filter allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-69957 Integer overflow or wraparound in Windows Overlay Filter allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69942 Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally 7.8 High Oct 13, 2026
CVE-2026-69918 Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally 8.8 High Oct 13, 2026
CVE-2026-69958 Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical… 6.8 Medium Oct 13, 2026
CVE-2026-69945 Missing authorization in Windows AppX Deployment Extensions allows an authorized attacker to elevate privileges locally 8.8 High Oct 13, 2026
CVE-2026-69959 Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to execute code locally 7.8 High Oct 13, 2026
CVE-2026-69947 Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical… 6.8 Medium Oct 13, 2026
CVE-2026-69963 Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69950 Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69952 Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69967 Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-69953 Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-69795 Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-69914 Out-of-bounds read in Windows AppX Deployment Service allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026

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