Improper input validation in macOS - CVE-2026-28841
Published: March 25, 2026
Vulnerability identifier: #VU124389
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-2026-28841
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in IOGraphics when handling graphics operations. A local user can execute a specially crafted application to cause a denial of service.
Exploitation requires local access and the ability to run a malicious application.
Affected software
macOS
How to mitigate CVE-2026-28841
Install update from vendor's website.
macOS - update to 26.4 25E246