CVE-2026-86963CWE-20

CVE-2026-86963

Medium · published October 20, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
16.7
In the wild
Unconfirmed
What it is

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to cause a denial-of-service.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00259 · 16.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-10-20T05:17Z
References (2)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149041 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 20 OCT 00:50Z
    A denial-of-service issue was addressed with improved input validation
    cvelistv5
  • 20 OCT 00:50Z
    A denial-of-service issue was addressed with improved input validation
    cvelistv5