What is CVE-2026-86869?

CVE-2026-86869 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2026-09-14.

How severe is CVE-2026-86869?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Apple iOS And Ipados

CVE-2026-86869

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27. Processing a maliciously crafted image may lead to unexpected app termination.

Vulnerability class: Buffer Overflow

Published 2026-09-14 · last modified 2026-09-18.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (27.6th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.apple.com/en-us/149035 (Vendor Advisory)
support.apple.com/en-us/149041 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-86869?: CVE-2026-86869 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2026-09-14.
How severe is CVE-2026-86869?: Medium severity. CVSS v3 base score is 6.5 out of 10.