What’s Vulnerable › Vulnerabilities

CVE-2023-27958

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-08 · updated 2026-06-17
• Weakness: CWE-770

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

Affected products

• Apple macOS: from 11.0 before 11.7.5; from 12.0 before 12.6.4; from 13.0 before 13.3 — fixed in 11.7.5, 12.6.4, 13.3

How to fix

Upgrade to a fixed version: Apple macOS 11.7.5, 12.6.4, 13.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213677
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213677
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1689

Get alerted when CVE-2023-27958 or the next vulnerability affects your stack