Main Vulnerability Database Vulnerabilities #VU143961

Improper input validation in macOS - CVE-2026-65346

Published: August 18, 2026

Vulnerability identifier: #VU143961

CSH Severity: Medium

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-65346

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to insufficient input validation in ImageIO. A remote attacker can trick the victim into opening a specially crafted file and perform arbitrary code execution.

Affected software

macOS
iPadOS
Apple iOS

How to mitigate CVE-2026-65346

Install update from vendor's website.

macOS - update to 26.6.2 25G83
iPadOS - update to 26.6.1 23G83
Apple iOS - update to 26.6.1 23G83

External References

https://support.apple.com/en-us/148281

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