Findings

CVE-2026-77100

MediaAgent contained a heap-based buffer overflow issue affecting service availability.

Published Oct 13, 2026 · updated Oct 14, 2026

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.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-77100

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-77100

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-77100

    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.

    nvd.nist.gov

References