CVE-2026-40385: Libexif Project Libexif

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attackers to cause crashes or information leaks. This only affects 32bit systems.

Affected products

• Libexif Project Libexif: up to and including 0.6.25

Published 2026-04-12. Last modified 2026-06-17.