CVE-2026-40385

Name: CVE-2026-40385
Creator: NVD / NIST
Published: 2026-04-12T19:16:20.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2026-40385 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

0.09%

0.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Libexif Project	Libexif	<= 0.6.25

References

https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58Patch

Timeline

Published: Apr 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-40385?

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.

How severe is CVE-2026-40385?

CVE-2026-40385 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40385?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40385?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST