CVE-2026-20631

High

Description

A logic issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. A user may be able to elevate privileges.

SeverityHigh
CVSS8.8
Exploit probability—
ProductApple Macos
PublishedMar 25, 2026
First seenMar 25, 2026

How to fix

Update
  • apple macos26.4 or later

Affected products

ProductAffected versionsFixed in
apple macos26.0 ≤ v < 26.426.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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