CVE-2026-28956

Name: CVE-2026-28956
Creator: NVD / NIST
Published: 2026-05-11T21:18:56.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2026-28956 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

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

0.45%

36.1th 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	>= 14.0, < 14.8.7
Apple	Macos	>= 15.0, < 15.7.7
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/127116Release Notes, Vendor Advisory
https://support.apple.com/en-us/127117Release 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-2026-28956?

How severe is CVE-2026-28956?

CVE-2026-28956 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-28956?

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-2026-28956?

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

Scan your code now

Source: NVD / NIST