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OpenAdvisories
High MSRC-CVE-2026-26111 1 CVE

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

Published Mar 10, 2026 · Updated Mar 13, 2026 · Revision 2

Vendor: Microsoft

Summary

Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

How could an attacker exploit this vulnerability?
An attacker authenticated on the domain could exploit this vulnerability by tricking a domain-joined user into sending a request to a malicious server via the Routing and Remote Access Service (RRAS) Snap-in. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

Security updates
10.0.17763.8511 — https://support.microsoft.com/help/5078752
10.0.20348.4893 — https://support.microsoft.com/help/5078766
10.0.20348.4830 — https://support.microsoft.com/help/5078737
10.0.19044.7058 — https://support.microsoft.com/help/5078885
10.0.26100.32522 — https://support.microsoft.com/help/5078740
10.0.26100.32463 — https://support.microsoft.com/help/5078736
10.0.26200.8037 — https://support.microsoft.com/help/5079473
10.0.26100.7982 — https://support.microsoft.com/help/5084597
10.0.22631.6783 — https://support.microsoft.com/help/5078883
10.0.25398.2207 — https://support.microsoft.com/help/5078734
10.0.14393.8957 — https://support.microsoft.com/help/5078938
6.2.9200.25973 — https://support.microsoft.com/help/5078775
6.3.9600.23074 — https://support.microsoft.com/help/5078774
10.0.28000.1719 — https://support.microsoft.com/help/5079466

Vulnerabilities 1

Revision history

  1. #2

    The hotpatch has been re‑released to ensure comprehensive coverage across all affected scenarios. Customers are advised to apply the updated release to ensure full protection.

  2. #1

    Information published.

References