Memory corruption in macOS - CVE-2026-28918

 

Memory corruption in macOS - CVE-2026-28918

Published: May 12, 2026


Vulnerability identifier: #VU131022
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28918
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in CoreSymbolication. A local application can trick the victim into opening a specially crafted file and perform an unexpected app termination.


Affected software

macOS
Apple iOS
iPadOS
tvOS
visionOS
watchOS

How to mitigate CVE-2026-28918

Install update from vendor's website.

macOS - update to 26.5 25F71
Apple iOS - update to 26.5 23F77
iPadOS - update to 26.5 23F77
tvOS - update to 26.5 23L471
visionOS - update to 26.5
watchOS - update to 26.5 23T570

External References

Related Security Bulletins