CVE Catalog
CVE-2026-43773
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk0.42%
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.

