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CVE record · CVE-2024-49126

Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability

CVSS 8.1 HighEPSS 0.013 · 70th percentile

Published by the CVE Program (CNA: microsoft) at 10 Dec 2024, 17:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Windows 10 Version 1507
  • affected 10.0.10240.0 to before 10.0.10240.20857 custom
Microsoft Windows 10 Version 1607
  • affected 10.0.14393.0 to before 10.0.14393.7606 custom
Microsoft Windows 10 Version 1809
  • affected 10.0.17763.0 to before 10.0.17763.6659 custom
Microsoft Windows 10 Version 21H2
  • affected 10.0.19043.0 to before 10.0.19044.5247 custom
Microsoft Windows 10 Version 22H2
  • affected 10.0.19045.0 to before 10.0.19045.5247 custom
Microsoft Windows 11 version 22H2
  • affected 10.0.22621.0 to before 10.0.22621.4602 custom
Microsoft Windows 11 version 22H3
  • affected 10.0.22631.0 to before 10.0.22631.4602 custom
Microsoft Windows 11 Version 23H2
  • affected 10.0.22631.0 to before 10.0.22631.4602 custom
Microsoft Windows 11 Version 24H2
  • affected 10.0.26100.0 to before 10.0.26100.2605 custom
Microsoft Windows Server 2008 Service Pack 2
  • affected 6.0.6003.0 to before 6.0.6003.23016 custom
Microsoft Windows Server 2008 R2 Service Pack 1
  • affected 6.1.7601.0 to before 6.1.7601.27467 custom
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • affected 6.1.7601.0 to before 6.1.7601.27467 custom
Microsoft Windows Server 2008 Service Pack 2
  • affected 6.0.6003.0 to before 6.0.6003.23016 custom
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • affected 6.0.6003.0 to before 6.0.6003.23016 custom
Microsoft Windows Server 2012
  • affected 6.2.9200.0 to before 6.2.9200.25222 custom
Microsoft Windows Server 2012 (Server Core installation)
  • affected 6.2.9200.0 to before 6.2.9200.25222 custom
Microsoft Windows Server 2012 R2
  • affected 6.3.9600.0 to before 6.3.9600.22318 custom
Microsoft Windows Server 2012 R2 (Server Core installation)
  • affected 6.3.9600.0 to before 6.3.9600.22318 custom
Microsoft Windows Server 2016
  • affected 10.0.14393.0 to before 10.0.14393.7606 custom
Microsoft Windows Server 2016 (Server Core installation)
  • affected 10.0.14393.0 to before 10.0.14393.7606 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.6659 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.6659 custom
Microsoft Windows Server 2022
  • affected 10.0.20348.0 to before 10.0.20348.2966 custom
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • affected 10.0.25398.0 to before 10.0.25398.1308 custom
Microsoft Windows Server 2025
  • affected 10.0.26100.0 to before 10.0.26100.2605 custom
Microsoft Windows Server 2025 (Server Core installation)
  • affected 10.0.26100.0 to before 10.0.26100.2605 custom
Identifiers
CVE-2024-49126
CNA
microsoft
Weakness (CWE)
CWE-416 · CWE-591
Tags
Published
10 Dec 2024
Updated
9 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.1 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.013, the 70th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Dec 2024. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.