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CVE-2026-49791: Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability

highCVSS 7.1CVE-2026-49791
Improper link resolution before file access ('link following') 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
Improper link resolution before file access in Windows RRAS allows an authorized attacker to elevate privileges locally.
Who is affected
Authorized users of Windows RRAS.
Urgency
Remediation is urgent due to the high severity of the vulnerability.
Action
Update Windows RRAS to the latest version.

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-2026-49791

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-2026-49791coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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