CVE-2022-22047

HIGH7.8

CISA KEV

Published 2022-07-12 · Updated 2026-06-17 · Source secure@microsoft.com

Summary

CVE-2022-22047 is a high-severity (CVSS 7.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on July 12, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by August 2, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

Description

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

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-426CWE-426

CISA Known-Exploited Vulnerability

Product: Microsoft — Windows

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

Date added: 2022-07-12 · Due: 2022-08-02

Required action: Apply updates per vendor instructions.

References

View on NVD

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