CVE-2026-20699

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions

Medium · published March 25, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00142 · 3.2th percentile
Published
2026-03-25T00:32Z
EPSS history
Timeline
  • 25 MAR 00:32Z
    A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions
    cvelistv5