CVE-2026-20699
Medium
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.
SeverityMedium
CVSS6.2
Exploit probability4. percentile0.1%
Product
Apple Macos
PublishedMar 25, 2026
First seenMar 25, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- apple macos14.8.5, 15.7.5, 26.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 14.0 ≤ v < 14.8.5, 15.0 ≤ v < 15.7.5, 26.0 ≤ v < 26.3 | 14.8.5, 15.7.5, 26.3 |
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