Improper input validation in macOS - CVE-2026-20692
Published: March 25, 2026
Vulnerability identifier: #VU124392
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20692
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a local user to inject arbitrary content.
The vulnerability exists due to improper input validation in Mail when processing email content. A local user can submit specially crafted input to inject arbitrary content.
How to mitigate CVE-2026-20692
Install update from vendor's website.