Integer overflow in macOS - CVE-2022-26711

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when parsing WebP images in the ImageIO framework. A remote attacker can trick the victim into opening a specially crafted file, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2022-26711

Links to Public Exploits and PoC-codes

• Exploit #12266 - CVE-2022-26711 (Integer overflow in Apple ImageIO WebP parsing (macOS/iOS)) (January 9, 2026)

External References

• https://support.apple.com/en-us/HT213257
• https://www.zerodayinitiative.com/advisories/ZDI-22-792/

Related Security Bulletins

• Multiple vulnerabilities in Apple macOS Monterey
• Multiple vulnerabilities in Apple iOS and iPadOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple iTunes