What is CVE-2025-43534?

CVE-2025-43534 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Access Control. CVSS score: 6.8/10. Published 2026-03-25.

How severe is CVE-2025-43534?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2025-43534

A path handling issue was addressed with improved validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.2 and iPadOS 26.2. A user with physical access to an iOS device may be able to bypass Activation Lock.

Published 2026-03-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.9% 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

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

support.apple.com/en-us/125884 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126793 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43534?: CVE-2025-43534 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Access Control. CVSS score: 6.8/10. Published 2026-03-25.
How severe is CVE-2025-43534?: Medium severity. CVSS v3 base score is 6.8 out of 10.