← CVE catalog

CVE-2024-4978

High CVSS 8.4 Known exploited

Published 2024-05-23 · last changed 2026-06-17 · added to CISA KEV 2024-05-29

This one is being exploited in the wild.

CISA added CVE-2024-4978 to the Known Exploited Vulnerabilities catalog on 2024-05-29. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2024-4978, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Justice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H