What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-04-04
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-26 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• macOS: from 10.15 before 10.15.7; 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001 (+9) — fixed in 10.15.7
• Apple macOS: from 11.0 before 11.6.6; from 12.0.0 before 12.3.1 — fixed in 11.6.6, 12.3.1

How to fix

Upgrade to a fixed version: macOS 10.15.7; Apple macOS 11.6.6, 12.3.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213220
• https://support.apple.com/en-us/HT213255
• https://support.apple.com/en-us/HT213256
• https://support.apple.com/en-us/HT213220
• https://support.apple.com/en-us/HT213255
• https://support.apple.com/en-us/HT213256
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22674

Get alerted when CVE-2022-22674 or the next vulnerability affects your stack