Windows Kernel Information Disclosure Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products25

• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems
• Windows 10 Version 22H2 for ARM64-based Systems
• Windows 10 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 2012 R2
• Windows Server 2012 R2 (Server Core installation)
• Windows Server 2016
• Windows Server 2016 (Server Core installation)
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• 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

KB5075904 (Security Update) — fixed build 10.0.17763.8389 KB5075906 (Security Update) — fixed build 10.0.20348.4773 KB5075943 (Security Hotpatch Update) — fixed build 10.0.20348.4711 KB5075912 (Security Update) — fixed build 10.0.19044.6937 KB5075912 (Security Update) — fixed build 10.0.19045.6937 KB5075899 (Security Update) — fixed build 10.0.26100.32370 KB5075942 (Security Hotpatch Update) — fixed build 10.0.26100.32313 KB5075941 (Security Update) — fixed build 10.0.22631.6649 KB5075897 (Security Update) — fixed build 10.0.25398.2149 KB5077181 (Security Update) — fixed build 10.0.26100.7840 KB5077212 (Security Hotpatch Update) — fixed build 10.0.26100.7781 KB5075999 (Security Update) — fixed build 10.0.14393.8868 KB5075970 (Monthly Rollup) — fixed build 6.3.9600.23022

🔗 References (25)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21222
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075904
• referencehttps://support.microsoft.com/help/5075904
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075906
• referencehttps://support.microsoft.com/help/5075906
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075943
• referencehttps://support.microsoft.com/help/5075943
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075912
• referencehttps://support.microsoft.com/help/5075912
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075899
• referencehttps://support.microsoft.com/help/5075899
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075942
• referencehttps://support.microsoft.com/help/5075942
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075941
• referencehttps://support.microsoft.com/help/5075941
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075897
• referencehttps://support.microsoft.com/help/5075897
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5077181
• referencehttps://support.microsoft.com/help/5077181
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5077212
• referencehttps://support.microsoft.com/help/5077212
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075999
• referencehttps://support.microsoft.com/help/5075999
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5075970
• referencehttps://support.microsoft.com/help/5075970