CVE-2026-77797
Velociraptor Prefetch parser out of bounds
Rapid7 Velociraptor
CVSS
3.6LowExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.10%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 0.77.3VelociraptorCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
Text from CVE List
Affected versions 1
- Velociraptoraffected: all versions before 0.77.3CVE List