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Known vulnerabilities in Microsoft Windows 11 Version 26H2

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CVE Summary Score Published
CVE-2026-69987 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-69856 Use after free in Windows Storage allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-69988 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-69991 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-69931 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Storage allows an… 7.0 High Oct 13, 2026
CVE-2026-69995 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-69996 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-62879 Missing authentication for critical function in Windows SmartScreen allows an authorized attacker to perform tampering… 5.5 Medium Oct 13, 2026
CVE-2026-96096 Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network 9.8 Critical Oct 13, 2026
CVE-2026-97789 Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-97794 Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker… 7.8 High Oct 13, 2026
CVE-2026-69452 Use after free in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network 7.1 High Oct 13, 2026
CVE-2026-96108 Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-95904 Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96928 Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96920 Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-96921 Access of resource using incompatible type ('type confusion') in Windows Message Queuing Queue Manager allows an… 5.5 Medium Oct 13, 2026
CVE-2026-96935 Exposure of sensitive system information to an unauthorized control sphere in Windows NTFS allows an authorized attacker… 5.5 Medium Oct 13, 2026
CVE-2026-96856 Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-96857 Files or directories accessible to external parties in Windows Projected File System allows an authorized attacker to… 5.5 Medium Oct 13, 2026
CVE-2026-96867 Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally 7.8 High Oct 13, 2026
CVE-2026-96868 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96859 Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96860 Out-of-bounds read in Windows USB Print Driver allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96862 Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026

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