What’s Vulnerable › Vulnerabilities

CVE-2023-32401

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-10 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.6.6, macOS Big Sur 11.7.7, macOS Ventura 13.4. Parsing an office document may lead to an unexpected app termination or arbitrary code execution.

Affected products

• Apple macOS: before 11.7.7; from 12.0.0 before 12.6.6; from 13.0 before 13.4 — fixed in 11.7.7, 12.6.6, 13.4

How to fix

Upgrade to a fixed version: Apple macOS 11.7.7, 12.6.6, 13.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213758
• https://support.apple.com/en-us/HT213759
• https://support.apple.com/en-us/HT213760
• https://support.apple.com/en-us/HT213758
• https://support.apple.com/en-us/HT213759
• https://support.apple.com/en-us/HT213760

Get alerted when CVE-2023-32401 or the next vulnerability affects your stack