CVE Catalog

CVE-2026-43773

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.42%

34th percentile - higher than 34% of all known CVEs

Summary

An out-of-bounds read was fixed with improved bounds checking. Fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Risk Assessment

Risk of system crash or kernel memory corruption from a malicious disk image.

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 read 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. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS