What’s Vulnerable › Vulnerabilities

CVE-2022-26776

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% 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-119

Description

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.4, macOS Big Sur 11.6.6. An attacker may be able to cause unexpected application termination or arbitrary code execution.

Affected products

• Apple macOS: from 11.0 before 11.6.6; from 12.0.0 before 12.4 — fixed in 11.6.6, 12.4

How to fix

Upgrade to a fixed version: Apple macOS 11.6.6, 12.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213256
• https://support.apple.com/en-us/HT213257
• https://support.apple.com/kb/HT213253
• https://support.apple.com/kb/HT213254
• https://support.apple.com/kb/HT213258
• https://support.apple.com/en-us/HT213256
• https://support.apple.com/en-us/HT213257
• https://support.apple.com/kb/HT213253
• https://support.apple.com/kb/HT213254
• https://support.apple.com/kb/HT213258

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