Windows
CVE-2026-20875
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
AnalysisAI
Remote denial of service in Windows LSASS affects Windows 10 and 11 through a null pointer dereference that an unauthenticated attacker can trigger over the network. The vulnerability causes service unavailability but does not enable code execution or data theft. No patch is currently available, leaving affected systems vulnerable until Microsoft releases a fix.
Technical ContextAI
Classified as CWE-476 (NULL Pointer Dereference). Affects Windows 10 1607. Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-476 – NULL Pointer Dereference
View allSame technique Null Pointer Dereference
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External POC / Exploit Code
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