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MSRC compact vulnerability detail

CVE-2025-33056 · Windows Local Security Authority (LSA) Denial of Service Vulnerability

Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.

Severity
Important
Impact
Denial of Service
CVSS
7.5 base · 6.5 temporal
Release
2025-06-10
Signals
Microsoft Local Security Authority Server (lsasrv) Denial of Service Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-284: Improper Access Control
Patch Diff
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Resolved binary override
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Description
Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.
FAQ / Articles
Microsoft Local Security Authority Server (lsasrv) Denial of Service Vulnerability
Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.