CVE-2026-86961CWE-362

CVE-2026-86961

High · published October 20, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
0.1
In the wild
Unconfirmed
What it is

A race condition was addressed with additional validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious app may be able to break out of its sandbox.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00079 · 0.1th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-10-20T05:17Z
References (2)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 20 OCT 00:50Z
    A race condition was addressed with additional validation
    cvelistv5
  • 20 OCT 00:50Z
    A race condition was addressed with additional validation
    cvelistv5