CVE-2026-56171 HIGH

CVE-2026-56171: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Vendor Microsoft
Product Remote Desktop Web Client
Weakness CWE-359
Published July 17, 2026
Last update August 14, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity Low

CVSS 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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 17, 2026 CVE published
August 14, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2024-13216 HT Event – WordPress Event Manager Plugin for Elementor <= 1.4.7 - Authenticated (Contributor+) Sensitive Information Exposure via HT Event: Sponsor CVE-2025-12536 SureForms <= 1.13.1 - Missing Authorization to Unauthenticated Sensitive Information Exposure CVE-2024-11396 Event monster <= 1.4.3 - Information Exposure Via Visitors List Export CVE-2024-12041 Directorist – AI-Powered WordPress Business Directory Plugin with Classified Ads Listings <= 8.0.12 - Unauthenticated User Information Exposure CVE-2025-0969 Brizy – Page Builder <= 2.7.16 - Authenticated (Contributor+) Sensitive Information Exposure via get_users Function