CVE-2026-20699

MEDIUM | Platform: macOS | Changelog

CVE Details

Description

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.

CVSS 3.1 Score

Metric	Value
Base Score	6.2 (MEDIUM)
Vector	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Weakness

CWE-347

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/126348 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/126794 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/126796 (Release Notes, Vendor Advisory)