CVE-2026-56171

Received Received - Intake

Exposure of Private Information in Windows RDP

Publication date: 2026-07-17

Last updated on: 2026-07-17

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-17

Last Modified

2026-07-17

Generated

2026-07-18

AI Q&A

2026-07-18

EPSS Evaluated

N/A

NVD

CVE-2026-56171

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_rdp	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-359	The product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected.

Attack-Flow Graph

Executive Summary

This vulnerability involves the exposure of private personal information to an unauthorized actor through Windows RDP. An attacker can disclose sensitive data over a network without proper authorization.

Impact Analysis

An unauthorized attacker could access and steal private personal information, leading to potential identity theft, financial loss, or privacy breaches. Systems using Windows RDP are at risk of information disclosure.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA due to unauthorized data exposure. Organizations may face legal penalties, fines, and reputational damage for failing to protect sensitive personal or health information.

Mitigation Strategies

Disable Remote Desktop Protocol (RDP) if not needed. Apply Microsoft security updates immediately. Restrict RDP access via firewalls to trusted networks only. Monitor network traffic for unusual RDP connections.

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