Permissions Issue in macOS Tahoe by Apple
CVE-2026-20623

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
11 February 2026

What is CVE-2026-20623?

A permissions vulnerability in macOS Tahoe allowed unauthorized access to protected user data. This issue has been addressed in the latest release, macOS Tahoe 26.3, which removes the problematic code. Users are encouraged to update their systems to ensure their data remains secure.

Affected Version(s)

macOS 0 < 26.3

References

https://support.apple.com/en-us/126348

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.