CVE-2022-22047

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Score

CVSS 3.1 7.8 High

Status

Analyzed - secure@microsoft.com

Published

2022-07-12

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2022-07-12, action due 2022-08-02: Apply updates per vendor instructions.

Weaknesses

CWE-426

Affected products

• Windows 10 1507 (Microsoft)
• Windows 10 1607 (Microsoft)
• Windows 10 1809 (Microsoft)
• Windows 10 20H2 (Microsoft)
• Windows 10 20h2 (Microsoft)
• Windows 10 21H1 (Microsoft)
• Windows 10 21H2 (Microsoft)
• Windows 10 21h1 (Microsoft)
• Windows 10 21h2 (Microsoft)
• Windows 11 21H2 (Microsoft)
• Windows 11 21h2 (Microsoft)
• Windows 7 (Microsoft)
• Windows 8.1 (Microsoft)
• Windows Rt 8.1 (Microsoft)
• Windows Server 2008 (Microsoft)
• Windows Server 2008 R2 (Microsoft)
• Windows Server 2008 Sp2 (Microsoft)
• Windows Server 2012 (Microsoft)
• Windows Server 2012 R2 (Microsoft)
• Windows Server 2016 (Microsoft)
• Windows Server 2019 (Microsoft)
• Windows Server 2022 (Microsoft)
• Windows Server 20H2 (Microsoft)
• Windows Server 20h2 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22047