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Known vulnerabilities in Microsoft Windows 11 Version 23H2

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CVE Summary Score Published
CVE-2026-80075 Heap-based buffer overflow in Windows Work Folders allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-80083 Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally 8.8 High Sep 8, 2026
CVE-2026-78508 Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to disclose information with a physical… 4.6 Medium Sep 8, 2026
CVE-2026-77904 Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate… 7.8 High Sep 8, 2026
CVE-2026-77896 Integer overflow or wraparound in Remote Desktop Client allows an unauthorized attacker to deny service over a network 6.5 Medium Sep 8, 2026
CVE-2026-77894 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer… 7.0 High Sep 8, 2026
CVE-2026-77892 No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to elevate privileges with a physical… 6.8 Medium Sep 8, 2026
CVE-2026-77504 Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Sep 8, 2026
CVE-2026-77503 Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally 8.4 High Sep 8, 2026
CVE-2026-77500 Release of invalid pointer or reference in Windows Device Association Service allows an authorized attacker to elevate… 7.8 High Sep 8, 2026
CVE-2026-77493 Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network 9.8 Critical Sep 8, 2026
CVE-2026-77492 Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally 5.5 Medium Sep 8, 2026
CVE-2026-77489 Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-77491 Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally 5.5 Medium Sep 8, 2026
CVE-2026-69579 Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network 9.8 Critical Sep 8, 2026
CVE-2026-72986 Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network 8.8 High Sep 8, 2026
CVE-2026-69476 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-69787 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-72982 Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network 9.8 Critical Sep 8, 2026
CVE-2026-72983 Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a… 9.8 Critical Sep 8, 2026
CVE-2026-72980 Uncontrolled search path element in Windows Hello allows an authorized attacker to bypass a security feature locally 4.4 Medium Sep 8, 2026
CVE-2026-72981 Use after free in IP Helper allows an unauthorized attacker to execute code over a network 8.1 High Sep 8, 2026
CVE-2026-77495 Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network 8.8 High Sep 8, 2026
CVE-2026-70283 Incorrect authorization in Windows Win32K allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-69846 Integer overflow or wraparound in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally 8.2 High Sep 8, 2026

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