Findings

CVE-2022-22674

Apple macOS Out-of-Bounds Read Vulnerability

Published Apr 4, 2022 · updated Jun 16, 2026 · apple mac os x

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.

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.

Required action

Apply updates per vendor instructions.

CISA due date Apr 25, 2022

Affected

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

Sources

  • CISA KEVCVE-2022-22674

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

    cisa.gov
  • CVE.orgCVE-2022-22674

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2022-22674

    30-day exploitation probability 1.1%

    first.org
  • NIST NVDCVE-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

References

CVE-2022-22674 · ZeroDay Findings