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CVE-2026-58626: Windows Remote Desktop Services Remote Code Execution Vulnerability

highCVSS 8.8CVE-2026-58626
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CSIRTS triage

vendor: Microsoftproduct: Windows Remote Desktop ServicesRemote code execution
What
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
Who is affected
Users of Windows Remote Desktop Services.
Urgency
Remediation is high urgency due to the potential for remote code execution.
Action
Update to the latest version of Windows Remote Desktop Services to patch the vulnerability.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58626

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-2026-58626coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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