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June 11, 2026

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CVE-2026-20854NVD

Vulnerability Summary

Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
Severity Level
HIGH(7.5)
Published Date
Jan 13, 2026
Last Modified
Jan 15, 2026
Exploitation Status
????
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-416: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References