What’s Vulnerable › Vulnerabilities
CVE-2026-56171: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-17 · updated 2026-10-28
- Weakness: CWE-359
Description
Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
Affected products
- Microsoft Remote Desktop Web Client: before 2.1.65.2 — fixed in 2.1.65.2
- Microsoft Windows Admin Center: before 2606 — fixed in 2606
- Microsoft Remote Desktop Web Client: from 2.0.0.0 before 2.1.65.2 — fixed in 2.1.65.2
- Microsoft Windows Admin Center: from 1809.0 before 2.7.4 — fixed in 2.7.4
How to fix
Upgrade to a fixed version: Microsoft Remote Desktop Web Client 2.1.65.2; Microsoft Windows Admin Center 2606; Microsoft Remote Desktop Web Client 2.1.65.2; Microsoft Windows Admin Center 2.7.4. Check the vendor advisory for mitigations.
References
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