CVE-2026-77100

MediaAgent Denial of Service

Published Oct 13, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-122
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title MediaAgent Denial of Service
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Commvault
Published
Updated
Oct 13, 2026, 2:41 PM
Reserved
Aug 20, 2026, 10:57 AM
Status
Awaiting Analysis
Published
Oct 13, 2026, 3:17 PM
Modified
Oct 14, 2026, 4:04 PM