Use after free in macOS - CVE-2026-28879

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Main Vulnerability Database Vulnerabilities #VU124346

Use after free in macOS - CVE-2026-28879

Published: March 25, 2026


Vulnerability identifier: #VU124346
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28879
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in Audio. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


Affected software

macOS
Apple iOS
iPadOS
tvOS
visionOS
watchOS

How to mitigate CVE-2026-28879

Install update from vendor's website.

macOS - addressed in versions 26.4 25E246, 14.8.5 23J423, 15.7.5 24G624
Apple iOS - addressed in versions 18.7.7 22H333, 26.4 23E246
iPadOS - addressed in versions 18.7.7 22H333, 26.4 23E246
tvOS - update to 26.4 23L243
visionOS - update to 26.4
watchOS - update to 26.4 23T240

External References

Related Security Bulletins