CVE-2026-20620

An out-of-bounds read issue was addressed with improved input validation

High · published February 11, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
11.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00219 · 11.7th percentile
Published
2026-02-11T22:58Z
EPSS history
Timeline
  • 11 FEB 22:58Z
    An out-of-bounds read issue was addressed with improved input validation
    cvelistv5