CVE-2026-28911

The issue was addressed with improved memory handling

Critical · published July 27, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.

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
0.00499 · 41.8th percentile
Published
2026-07-27T20:14Z
EPSS history
Timeline
  • 27 JUL 20:14Z
    The issue was addressed with improved memory handling
    cvelistv5