What’s Vulnerable › Vulnerabilities

CVE-2025-43402

• 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: 2025-12-12 · updated 2026-10-07
• Weakness: CWE-787

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.1. An app may be able to cause unexpected system termination or corrupt process memory.

Affected products

• Apple macOS: before 26.1 — fixed in 26.1

How to fix

Upgrade to a fixed version: Apple macOS 26.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/125634
• https://support.apple.com/en-us/126349
• https://support.apple.com/en-us/126350

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