Improper input validation in macOS - CVE-2026-43698

 

Improper input validation in macOS - CVE-2026-43698

Published: August 17, 2026


Vulnerability identifier: #VU143794
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43698
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to insufficient input validation in CUPS. A local application can gain root privileges.


Affected software

macOS

How to mitigate CVE-2026-43698

Install update from vendor's website.

macOS - addressed in versions 15.7.8 24G824, 14.8.8 23J620

External References

Related Security Bulletins