HIGHCVE-2026-20620Published Modified CNA apple
CVE-2026-20620: An out-of-bounds read issue was addressed with improved input validation
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.
Metrics
- CVSS v3.1
- 7.7
- Severity
- HIGH
- Fixed in
- 14.8.4
- Affected Products
- 1
Fix available
14.8.415.7.426.3
Affected packages
- Apple / macOS< 14.8.4 (from 0) · < 15.7.4 (from 0) · < 26.3 (from 0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H