Null Pointer Dereference in Commvault Software Products
CVE-2026-77095

7.1HIGH

Key Information:

Vendor

Commvault

Status
Commvault Cloud
Vendor
CVE Published:
13 October 2026

What is CVE-2026-77095?

A null pointer dereference vulnerability in Commvault software can lead to service unavailability. This issue affects multiple components, including CommServe, Webserver, Command Center, MediaAgents, Clients, and HyperScale. Users are urged to upgrade to the latest maintenance release to address the vulnerability and ensure continuous service functionality.

Affected Version(s)

Commvault Cloud Windows 11.46.0 <= 11.46.29

Commvault Cloud Windows 11.44.0 <= 11.44.24

Commvault Cloud Windows 11.40.0 <= 11.40.77

References

https://documentation.commvault.com/securityadvisories/CV...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.
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