CVE-2025-43521
Medium · 5.5CVSS
5.5
EPSS
0.1%
Published
Dec 12, 2025
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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