Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain the privileges of the user account or service account running the affected process.
How could an attacker exploit this vulnerability?
An attacker could place specially crafted files on a network share and convince a user to open a Remote Desktop connection from that share with clipboard redirection enabled. When clipboard data is exchanged, successful exploitation could allow the attacker to run code with the permissions of that user. The attacker does not need an account on the affected client.
Security updates
10.0.22631.7711 — https://support.microsoft.com/help/5131087
10.0.26100.9974 — https://support.microsoft.com/help/5132061
10.0.26100.9911 — https://support.microsoft.com/help/5132043
10.0.26100.33822 — https://support.microsoft.com/help/5131080
10.0.26100.33730 — https://support.microsoft.com/help/5131077
10.0.28000.3501 — https://support.microsoft.com/help/5132059
Vulnerabilities 1
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High 8.8
Windows Remote Desktop Client Elevation of Privilege Vulnerability
Untrusted search path in Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network.
Revision history
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#1
Information published.
References
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CVE-2026-119839 Windows Remote Desktop Client Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119839
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss