CVE-2026-64754

An out-of-bounds write issue was addressed with improved bounds checking

Medium · published July 27, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to a denial-of-service.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2026-07-27T20:12Z
EPSS history
Timeline
  • 27 JUL 20:12Z
    An out-of-bounds write issue was addressed with improved bounds checking
    cvelistv5