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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
Metrics
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CVE Modified by Microsoft Corporation6/17/2026 6:45:12 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Microsoft","product":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.8457","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","lessThan":"10.0.26200.8457","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","lessThan":"10.0.28000.2113","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.32860","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.32860","versionType":"custom","status":"affected"}]}]
CVE Modified by Microsoft Corporation6/01/2026 3:16:35 PM
Action
Type
Old Value
New Value
Changed
Description
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Initial Analysis by NIST5/14/2026 1:52:50 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.2113
*cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.2113
*cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.8390
*cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.8390
*cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.8390
*cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.8390
*cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.32772
Added
Reference Type
Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40369 Types: Vendor Advisory
New CVE Received from Microsoft Corporation5/12/2026 2:17:16 PM
Action
Type
Old Value
New Value
Added
Description
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.