What is CVE-2026-86961?

CVE-2026-86961 is a high-severity vulnerability in Apple iOS And Ipados, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2026-10-20.

How severe is CVE-2026-86961?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2026-86961

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.

Vulnerability class: Race Condition

Published 2026-10-20 · last modified 2026-10-20.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

Frequently asked questions

What is CVE-2026-86961?: CVE-2026-86961 is a high-severity vulnerability in Apple iOS And Ipados, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2026-10-20.
How severe is CVE-2026-86961?: High severity. CVSS v3 base score is 7.8 out of 10.