CVSS v3
7.5
HIGH
EPSS Score
4.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.
Technical details
- Published
- 2021-03-18
Frequently asked questions
What is CVE-2020-26797?
Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.
Is CVE-2020-26797 actively exploited?
Active exploitation of CVE-2020-26797 has not been confirmed. Its EPSS score was 4.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-26797?
CVE-2020-26797 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-26797 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2020 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).