CVE-2026-43764

An integer overflow was addressed with improved input validation

Critical · published July 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
47.2
In the wild
Unconfirmed
What it is

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

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
0.00585 · 47.2th percentile
Published
2026-07-27T20:12Z
EPSS history
Timeline
  • 27 JUL 20:12Z
    An integer overflow was addressed with improved input validation
    cvelistv5