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CVE-2026-61367: Windows Remote Desktop Services Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-61367
Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoftproduct: Windows Remote Desktop ServicesPrivilege escalationAuthentication bypass
What
Missing authentication for a critical function in Windows Remote Desktop Services allows local privilege escalation by an authorized attacker.
Who is affected
Windows systems with RDS where an authorized local user is present.
Urgency
High severity (CVSS 7.8) but not currently exploited; should be patched promptly.
Action
Apply Windows security updates when available from Microsoft.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61367

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-2026-61367coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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