Sandbox Bypass Vulnerability in Apple macOS Tahoe
CVE-2025-43340

7.8HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
15 September 2025

What is CVE-2025-43340?

A permissions issue in macOS Tahoe allows applications to potentially escape their sandbox environment, which could lead to unauthorized access to system resources. This flaw has been addressed with added restrictions in macOS Tahoe 26, ensuring improved security measures to prevent such breaches. Users are encouraged to update to the latest version to mitigate associated risks.

Affected Version(s)

macOS < 26

References

https://support.apple.com/en-us/125110

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.