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CVE record · CVE-2026-26111

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

CVSS 8.0 HighEPSS 0.0090 · 59th percentile

Published by the CVE Program (CNA: microsoft) at 10 Mar 2026, 17:05 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 1607
  • affected 10.0.14393.0 to before 10.0.14393.8957 custom
Microsoft Windows 10 Version 1809
  • affected 10.0.17763.0 to before 10.0.17763.8511 custom
Microsoft Windows 10 Version 21H2
  • affected 10.0.19044.0 to before 10.0.19044.7058 custom
Microsoft Windows 10 Version 22H2
  • affected 10.0.19045.0 to before 10.0.19045.7058 custom
Microsoft Windows 11 version 22H3
  • affected 10.0.22631.0 to before 10.0.22631.6783 custom
Microsoft Windows 11 Version 23H2
  • affected 10.0.22631.0 to before 10.0.22631.6783 custom
Microsoft Windows 11 Version 24H2
  • affected 10.0.26100.0 to before 10.0.26100.8037 custom
Microsoft Windows 11 Version 25H2
  • affected 10.0.26200.0 to before 10.0.26200.8037 custom
Microsoft Windows 11 version 26H1
  • affected 10.0.28000.0 to before 10.0.28000.1719 custom
Microsoft Windows Server 2012
  • affected 6.2.9200.0 to before 6.2.9200.25973 custom
Microsoft Windows Server 2012 (Server Core installation)
  • affected 6.2.9200.0 to before 6.2.9200.25973 custom
Microsoft Windows Server 2012 R2
  • affected 6.3.9600.0 to before 6.3.9600.23074 custom
Microsoft Windows Server 2012 R2 (Server Core installation)
  • affected 6.3.9600.0 to before 6.3.9600.23074 custom
Microsoft Windows Server 2016
  • affected 10.0.14393.0 to before 10.0.14393.8957 custom
Microsoft Windows Server 2016 (Server Core installation)
  • affected 10.0.14393.0 to before 10.0.14393.8957 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.8511 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.8511 custom
Microsoft Windows Server 2022
  • affected 10.0.20348.0 to before 10.0.20348.4893 custom
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • affected 10.0.25398.0 to before 10.0.25398.2207 custom
Microsoft Windows Server 2025
  • affected 10.0.26100.0 to before 10.0.26100.32522 custom
Microsoft Windows Server 2025 (Server Core installation)
  • affected 10.0.26100.0 to before 10.0.26100.32522 custom
Identifiers
CVE-2026-26111
CNA
microsoft
Weakness (CWE)
CWE-122 · CWE-190
Tags
Published
10 Mar 2026
Updated
19 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
8.0 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.0090, the 59th 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 Mar 2026. 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.