# CVE-2022-22674: Apple macOS Out-of-Bounds Read Vulnerability

Source: https://junglewise.ai/threats/cve-2022-22674-apple-macos-out-of-bounds-read-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-04-04. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2022-22674 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2022-04-04

An out-of-bounds read vulnerability in macOS kernel memory allows a local application to disclose sensitive kernel information. The issue was caused by insufficient input validation and has been addressed in macOS Monterey 12.3.1, Big Sur 11.6.6, and Catalina Security Update 2022-004.

Technologies: [Apple macOS](https://junglewise.ai/threats/technologies/macos). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2022-22674 exploited in the wild?** Yes. CVE-2022-22674 is known to be exploited in the wild, first recorded on 4 April 2022. Treat it as urgent.

**How severe is CVE-2022-22674?** Critical severity, with a CVSS score of 5.5, published 4 April 2022.

**Which products and versions are affected?** Apple macOS Monterey < 12.3.1; Apple macOS Big Sur < 11.6.6; Apple macOS Catalina Security Update 2022-004.

**Is there a fix for CVE-2022-22674?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2022-22674 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2022-22674?** Check whether you run Apple macOS. 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

- Apple macOS Monterey < 12.3.1
- Apple macOS Big Sur < 11.6.6
- Apple macOS Catalina Security Update 2022-004

## Timeline

- 2022-04-04: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-04-04: disclosed
- 2022-05-26: advisory: NVD Published Date
- 2022-04-04: exploited: Reported as exploited in the wild per CISA KEV and advisory.

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