CVE-2026-20699

State: Published
Severity: 6.2 Medium
Published: Mar 25, 2026
Updated: Apr 2, 2026
Reserved: Nov 11, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.2 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
macOSApple	before 14.8.5Affected before 15.7.5Affected before 26.3Affected before 26.4Affected

References

https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126795
https://support.apple.com/en-us/126796

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