CVE-2026-43802

CriticalCVSS 9.8

Published: 27/07/2026(UTC)Updated: 28/07/2026(UTC)Translated: 28/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.16%

6th percentile - higher than 6% of all known CVEs

Summary

An out-of-bounds write in macOS. Fixed by improving bounds checking. An app may cause unexpected system termination.

Risk Assessment

Risk of unexpected system termination by a malicious app, potentially leading to data loss or service disruption.

Recommendation

Update macOS to Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6.

Original NVD description (English source)

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.