PT-2026-27551 · Apple · Apple Macos

Published 2026-03-25 · Updated 2026-03-25 · CVE-2026-20699

Mitre

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.

Related Identifiers

CVE-2026-20699

Affected Products

Apple Macos

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-20699 · Security Note
• https://support.apple.com/en-us/126348 · Note
• https://support.apple.com/en-us/126794 · Note
• https://support.apple.com/en-us/126795 · Note
• https://support.apple.com/en-us/126796 · Note