Known Exploited Vulnerability: CVE-2022-22047

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

Catalog version: 2026.07.16 Date added: 2022-07-12 Due date: 2022-08-02 CISA catalog

Vendor: Microsoft

Product: Windows

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047 https://nvd.nist.gov/vuln/detail/CVE-2022-22047

CWEs

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