CVE-2026-56171: high-severity vulnerability in Microsoft Remote Desktop Web Client
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.7%
Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
Related CVEs — Microsoft Remote Desktop Web Client
In the same product, most dangerous first.
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