CVE-2026-28866

Name: CVE-2026-28866
Creator: NVD / NIST
Published: 2026-03-25T01:17:10.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.2/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2026-28866 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.2/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.23%

13.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 18.7.7
Apple	Ipados	>= 26.0, < 26.4
Apple	Iphone Os	< 18.7.7
Apple	Iphone Os	>= 26.0, < 26.4
Apple	Macos	>= 14.0, < 14.8.5
Apple	Macos	>= 15.0, < 15.7.5
Apple	Macos	>= 26.0, < 26.4

References

https://support.apple.com/en-us/126792Release Notes, Vendor Advisory
https://support.apple.com/en-us/126793Release Notes, Vendor Advisory
https://support.apple.com/en-us/126794Release Notes, Vendor Advisory
https://support.apple.com/en-us/126795Release Notes, Vendor Advisory
https://support.apple.com/en-us/126796Release Notes, Vendor Advisory

Timeline

Published: Mar 25, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-28866?

How severe is CVE-2026-28866?

CVE-2026-28866 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2026-28866?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-28866?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST