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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-83516

Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

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Status
Published
Published
Updated
Assigning organization
microsoft

Description

Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 1809

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.9711affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.9711affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.3231affected

Microsoft Windows 11 Version 26H2

  • 10.0.26300.0 to < 10.0.26300.9711affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5761affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33650affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33650affected

References