HTTP.sys Denial of Service Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products11

• Windows 11 Version 22H2 for ARM64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 11 Version 23H2 for ARM64-based Systems
• Windows 11 Version 23H2 for x64-based Systems
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows Server 2025
• Windows Server 2025 (Server Core installation)

✅ Remediation

KB5065432 (Security Update) — fixed build 10.0.20348.4171 KB5065306 (Security Hotpatch Update) — fixed build 10.0.20348.4106 KB5065431 (Security Update) — fixed build 10.0.22621.5909 KB5065426 (Security Update) — fixed build 10.0.26100.6584 KB5065474 (SecurityHotpatchUpdate) — fixed build 10.0.26100.6508 KB5065431 (Security Update) — fixed build 10.0.22631.5909 KB5065425 (Security Update) — fixed build 10.0.25398.1849 KB5065474 (Security Hotpatch Update) — fixed build 10.0.26100.6508

🔗 References (13)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53805
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065432
• referencehttps://support.microsoft.com/help/5065432
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065306
• referencehttps://support.microsoft.com/help/5065306
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065431
• referencehttps://support.microsoft.com/help/5065431
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065426
• referencehttps://support.microsoft.com/help/5065426
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065474
• referencehttps://support.microsoft.com/help/5065474
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065425
• referencehttps://support.microsoft.com/help/5065425