CVE-2026-43748
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS probability
- 0.60%
- Published
- 2026-07-27
- Last modified
- 2026-09-14
Affected products
- Apple macOS
- Apple iOS and iPadOS