Memory corruption in macOS - CVE-2026-20657
Published: March 25, 2026
Vulnerability identifier: #VU124411
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20657
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 Vision. A local application can trick the victim into opening a specially crafted file and perform an unexpected app termination.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2026-20657
Install update from vendor's website.
macOS - addressed in versions 15.7.5 24G624, 14.8.5 23J423
iPadOS - update to 18.7.7 22H333
Apple iOS - update to 18.7.7 22H333
iPadOS - update to 18.7.7 22H333
Apple iOS - update to 18.7.7 22H333