Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2022-22047 · Published 12/07/2022 · updated 17/06/2026

Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 12/07/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2022-22047

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