CVE-2026-28918

Name: CVE-2026-28918
Creator: NVD / NIST
Published: 2026-05-11T21:18:54.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2026-28918 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.49%

38.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 26.5
Apple	Iphone Os	< 26.5
Apple	Macos	>= 26.0, < 26.5
Apple	Tvos	< 26.5
Apple	Visionos	< 26.5
Apple	Watchos	< 26.5

References

https://support.apple.com/en-us/127110Release Notes, Vendor Advisory
https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
https://support.apple.com/en-us/127118Release Notes, Vendor Advisory
https://support.apple.com/en-us/127119Release Notes, Vendor Advisory
https://support.apple.com/en-us/127120Release Notes, Vendor Advisory

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-28918?

How severe is CVE-2026-28918?

CVE-2026-28918 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2026-28918?

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-2026-28918?

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

Scan your code now

Source: NVD / NIST