CVE-2026-86921CWE-269privilege-escalation

CVE-2026-86921

Medium · published October 20, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
1.2
In the wild
Unconfirmed
What it is

A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00110 · 1.2th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-10-20T05:17Z
References (4)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149038 · [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 permissions issue was addressed with improved validation
    cvelistv5
  • 20 OCT 00:50Z
    A permissions issue was addressed with improved validation
    cvelistv5