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Vulnerabilities of Microsoft Windows 11 Version 25H2

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CVE Summary Score Published
CVE-2026-42990 Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network 9.8 Critical Jul 14, 2026
CVE-2026-44815 Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network 9.8 Critical Jun 9, 2026
CVE-2026-42904 Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent… 9.6 Critical Jun 9, 2026
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-2026-47291 Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network 9.8 Critical Jun 9, 2026
CVE-2026-45657 Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network 9.8 Critical Jun 9, 2026
CVE-2026-41096 Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network 9.8 Critical May 12, 2026
CVE-2026-33824 Exploited Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability 9.8 Critical Apr 14, 2026
CVE-2025-60724 Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a… 9.8 Critical Nov 11, 2025
CVE-2025-49708 Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network 9.9 Critical Oct 14, 2025

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