CVE-2026-64731

A path handling issue was addressed with improved validation

Critical · published July 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
48.6
In the wild
Unconfirmed
What it is

A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00611 · 48.6th percentile
Published
2026-07-27T20:14Z
EPSS history
Timeline
  • 27 JUL 20:14Z
    A path handling issue was addressed with improved validation
    cvelistv5