Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00553.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft Remote Desktop Web Client affected
Version Status Constraints
2.0.0.0 affected < 2.1.65.2
Microsoft Windows Admin Center affected
Version Status Constraints
1809.0 affected < 2.7.4

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Remote Desktop Web Client Subscribe
Windows Admin Center Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56171 cve-icon
History

Fri, 17 Jul 2026 21:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-07-17T21:34:17.768Z

Reserved: 2026-06-19T13:53:31.989Z

Link: CVE-2026-56171

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses