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CVE-2026-50451: Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability

highCVSS 7.1CVE-2026-50451
Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoftproduct: Windows Routing and Remote Access Service (RRAS)Privilege escalation
What
Missing authentication for critical function allows an authorized attacker to elevate privileges locally.
Who is affected
Users of Windows RRAS with the affected version.
Urgency
Remediation is urgent due to the high severity and potential for exploitation.
Action
Update to the latest version of Windows RRAS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.1
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50451

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50451coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows Routing and

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center