CVE-2026-56171

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Published Jul 17, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft remote Desktop Client
Vendors & Products Microsoft remote Desktop Client
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
Title Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft remote Desktop Web Client
Microsoft windows Admin Center
Weaknesses CWE-359
CPEs cpe:2.3:a:microsoft:remote_desktop_web_client:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft remote Desktop Web Client
Microsoft windows Admin Center
References
Metrics cvssV3_1

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 10:41 PM
Reserved
Jun 19, 2026, 1:53 PM
Status
Analyzed
Published
Jul 17, 2026, 10:17 PM
Modified
Jul 22, 2026, 6:24 PM