What is CVE-2026-28866?

CVE-2026-28866 is a medium-severity vulnerability in Apple Ios And Ipados, classified under Improper Link Resolution Before File Access. CVSS score: 6.2/10. Published 2026-03-25.

How severe is CVE-2026-28866?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Apple Ios And Ipados

CVE-2026-28866

This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28866?: CVE-2026-28866 is a medium-severity vulnerability in Apple Ios And Ipados, classified under Improper Link Resolution Before File Access. CVSS score: 6.2/10. Published 2026-03-25.
How severe is CVE-2026-28866?: Medium severity. CVSS v3 base score is 6.2 out of 10.