CVE-2025-43521

Published: Dec 12, 2025Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.

Affected (1)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	Before 15.7.3

Related CWEs

CWE-347

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (2)

https://support.apple.com/en-us/125886

Source: product-security@apple.com

https://support.apple.com/en-us/125887

Source: product-security@apple.com

Release NotesVendor Advisory

Timeline

No history available yet.