What is CVE-2025-43386?

CVE-2025-43386 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2025-11-04.

How severe is CVE-2025-43386?

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

Out-of-bounds Read in Apple iOS And Ipados

CVE-2025-43386

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Vulnerability class: Buffer Overflow

Published 2025-11-04 · last modified 2026-09-26.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.002 (10.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Apple iOS And Ipados — versions 0
Apple Ipados
Apple Iphone OS
Apple macOS — versions 0
Apple tvOS — versions 0
Apple Visionos — versions 0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

Frequently asked questions

What is CVE-2025-43386?: CVE-2025-43386 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2025-11-04.
How severe is CVE-2025-43386?: High severity. CVSS v3 base score is 7.8 out of 10.