BaseFortify

Publication date: 2025-11-04

Last updated on: 2025-12-17

Assigner: Apple Inc.

Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to access user-sensitive data.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-11-04

Last Modified

2025-12-17

Generated

2026-07-06

AI Q&A

2025-11-04

EPSS Evaluated

2026-07-04

NVD

CVE-2025-43390

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 15.7.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-347	The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Attack-Flow Graph

Executive Summary

This vulnerability is a downgrade issue affecting Intel-based Mac computers, where an app may bypass security by exploiting weaker code-signing restrictions. It was addressed by adding stricter code-signing requirements in macOS Sequoia 15.7.2.

Impact Analysis

An app exploiting this vulnerability may be able to access user-sensitive data on affected Intel-based Mac computers, potentially leading to unauthorized data exposure.

Mitigation Strategies

Update your Intel-based Mac computers to macOS Sequoia 15.7.2 or later, as this version includes the fix for the vulnerability by adding additional code-signing restrictions.

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