What’s Vulnerable › Vulnerabilities

CVE-2022-26940: Remote Desktop Protocol Client Information Disclosure Vulnerability

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-10 · updated 2026-06-17

Description

Remote Desktop Protocol Client Information Disclosure Vulnerability

Affected products

• Microsoft Remote Desktop client for Windows Desktop: all versions
• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Remote Desktop client for Windows Desktop: from 1.2.0.0 before 1.2.3130 — fixed in 1.2.3130
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.675 — fixed in 10.0.22000.675
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.707 — fixed in 10.0.20348.707

How to fix

Upgrade to a fixed version: Microsoft Remote Desktop client for Windows Desktop 1.2.3130; Microsoft Windows 11 21H2 10.0.22000.675; Microsoft Windows Server 2022 10.0.20348.707. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26940
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26940

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