Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
Fix
Patch, vendor advisory and mitigation references on NVD 1
STIG rules that mitigate this class
Credential Guard isolates NTLM hashes and Kerberos tickets from the LSASS process the class of flaw reads. Microsoft Learn, "Credential Guard overview" (the owner's mapping, data/mitigations.yaml: credential-guard)
- WN11-CC-000075 CAT I Credential Guard must be running on Windows 11 systems. Microsoft Windows 11
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · microsoftNVD modified 2026-10-14 23:17
Affected (CPE criteria) 23
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*