Known exploited vulnerability

CVE-2022-22047

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

What is affected

Vendor Microsoft
Product Windows
Weakness CWE-426

The vulnerability

Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 2 August 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 11 Nov 2026, 21:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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