Summary
Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
An attacker must trick the user into interacting with a spoofed WebAuthn prompt and entering their credentials.
According to the CVSS metric, user interaction is required (UI:R) and privileges required are none (PR:N). What does that mean for this vulnerability?
An unauthorized attacker must wait for a user to initiate a connection.
Security updates
10.0.22621.5624 — https://support.microsoft.com/help/5062552
10.0.26100.4652 — https://support.microsoft.com/help/5062553
Vulnerabilities 1
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High 8.1
Remote Desktop Spoofing Vulnerability
Insufficient UI warning of dangerous operations in Remote Desktop Client allows an unauthorized attacker to perform spoofing over a network.
Revision history
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#1
Information published.
References
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CVE-2025-33054 Remote Desktop Spoofing Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33054
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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