Published Oct 13, 2026Sources checked Oct 21, 2026
4.3MEDIUMCVSS out of 10
What this means
Review the available evidence
CVE-2026-109828 and is rated Medium severity with a CVSS score of 4.3. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Oct 15, 2026
Release Notes
CISA KEVNot listedBased on the latest collected catalog
EPSS0.4%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-109828?
A vulnerability was found in libsndfile up to 1.2.2. This issue affects the function wavlike_subchunk_parse of the file src/wavlike.c of the component WAV Parsing.
Performing a manipulation results in use of uninitialized variable. Remote exploitation of the attack is possible.
The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.