CVE-2022-22047: Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability

CVE-2022-22047 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-07-12

A privilege escalation vulnerability exists in the Microsoft Windows Client Server Runtime Subsystem (CSRSS) due to an untrusted search path (CWE-426). An authenticated local attacker can exploit this to gain SYSTEM privileges on a target system.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2022-22047 exploited in the wild?
Yes. CVE-2022-22047 is known to be exploited in the wild, first recorded on 12 July 2022. Treat it as urgent.
How severe is CVE-2022-22047?
Critical severity, with a CVSS score of 7.8, published 12 July 2022.
Which products and versions are affected?
Microsoft Windows 10 1507, 1607, 1809, 20H2, 21H1, 21H2; Microsoft Windows 11 21H2; Microsoft Windows Server 2022 10.0.20348.825; Microsoft Windows Server 2019 10.0.17763.3165; and 5 more.
Is there a fix for CVE-2022-22047?
A patch was published on 2022-07-12. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2022-22047 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2022-22047?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 10 1507, 1607, 1809, 20H2, 21H1, 21H2
  • Microsoft Windows 11 21H2
  • Microsoft Windows Server 2022 10.0.20348.825
  • Microsoft Windows Server 2019 10.0.17763.3165
  • Microsoft Windows Server 2016 10.0.14393.5246
  • Microsoft Windows 7 SP1
  • Microsoft Windows 8.1 -
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2

Timeline

  • 2022-07-12: disclosed
  • 2022-07-12: patched
  • 2022-07-12: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-07-12: exploited: Reported as exploited in the wild at time of publication.

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