CVE-2026-77100: MediaAgent Denial of Service
Published Oct 13, 2026
·Updated
MediaAgent contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update Commvault installation of MediaAgents and HyperScale.
Affected Software
2 affected components
Commvault MediaAgent
Commvault HyperScale
Event History
Oct 13, 2026
CVE Published
via MITRE·02:27 PM
Data Sourced
via MITRE·02:27 PM
DescriptionWeakness
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Which deployments should be prioritized for remediation?
Prioritize Commvault installations that use MediaAgents or HyperScale, as both are identified as affected software.
2
What is the recommended remediation?
Upgrade to the resolved maintenance release and update the Commvault installation components for MediaAgents and HyperScale.
3
What is the operational impact of this issue?
The issue is a heap-based buffer overflow that affects service availability, creating a denial-of-service risk.