CVE-2025-53809

Summary

Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.6584affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.6584affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.6584affected

Weaknesses

  • CWE-20: CWE-20: Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References