What is CVE-2026-40930?

CVE-2026-40930 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

Which CVE IDs does CVE-2026-40930 cover?

CVE-2026-40930 covers the following CVE IDs: CVE-2026-40930. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-40930?

CVE-2026-40930 has a CVSS v3 base score of 5.4, published by Microsoft Security Response Center (MSRC).

CVE-2026-40930MediumCVSS 5.4

LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

Vendor

Microsoft Security Response Center (MSRC)

Published

June 9, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-40930 →