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In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.

🗓️ 14 Apr 2026 08:01:20Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Microsoft vulnerability CVE-2026-40386 identified.

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29 Apr 2026 21:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14 - 7.1
EPSS0.0014
SSVC
4