CVE-2026-65396CWE-119

CVE-2026-65396

Medium · published October 20, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
5.8
In the wild
Unconfirmed
What it is

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00168 · 5.8th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-10-20T05:17Z
References (3)
https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 20 OCT 00:50Z
    A buffer overflow was addressed with improved size validation
    cvelistv5
  • 20 OCT 00:50Z
    A buffer overflow was addressed with improved size validation
    cvelistv5