Apple macOS Out-of-Bounds Read Vulnerability

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• cpe apple/mac os x10.15.7
• vendor Apple MacOS Xversion unspecified
• vendor Apple macOSversion unspecified

How to fix CVE-2022-22674

• Recommended remediation

  Apply updates per vendor instructions. CISA due date Apr 25, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 4, 2022 · Catalog

   Detected

   An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.

2. Apr 4, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Apr 25, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.

Sources

• CISA KEVConfirmed exploitationCVE-2022-22674

  macOS Monterey contains an out-of-bounds read vulnerability that could allow an application to read kernel memory.

  cisa.gov
• CVE.orgVulnerability recordCVE-2022-22674

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2022-22674

  30-day exploitation probability 1.1%

  first.org
• NIST NVDVulnerability recordCVE-2022-22674

  An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memor

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2022-22674

  macOS Monterey contains an out-of-bounds read vulnerability that could allow an application to read kernel memory.

  vulncheck.com

References

• VulnCheck exploitation evidence · docs.google.com
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · raw.githubusercontent.com
• Release Notes · support.apple.com
• Release Notes · support.apple.com
• Release Notes · support.apple.com
• Third Party Advisory · cisa.gov
• VulnCheck exploitation evidence · cisa.gov

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.