Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.
According to the CVSS metric, user interaction is required (UI:R). What interaction is required?
The attacker must convince a user to connect an affected client application to an attacker-controlled server.
Security updates
10.0.14393.9688 — https://support.microsoft.com/help/5131291
10.0.17763.9487 — https://support.microsoft.com/help/5131085
10.0.19044.7846 — https://support.microsoft.com/help/5131096
10.0.20348.5870 — https://support.microsoft.com/help/5131090
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
2.0.1489.0 — https://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json&tabs=windows
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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Medium 6.5
Windows Remote Desktop Client Information Disclosure Vulnerability
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Revision history
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#1
Information published.
References
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CVE-2026-108417 Windows Remote Desktop Client Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108417
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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