Deserialization Vulnerability in Content Extractor by Commvault
CVE-2026-77092

7.3HIGH

Key Information:

Vendor

Commvault

Status
Commvault Cloud
Vendor
CVE Published:
8 September 2026

What is CVE-2026-77092?

The Content Extractor by Commvault contains a vulnerability that allows for deserialization of untrusted data, which can compromise privilege management. This flaw necessitates immediate attention, and affected users are advised to upgrade to the latest maintenance release to mitigate potential risks.

Affected Version(s)

Commvault Cloud Windows 11.46.0 <= 11.46.19

Commvault Cloud Windows 11.44.0 <= 11.44.19

Commvault Cloud Windows 11.40.0 <= 11.40.71

References

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

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
Physical
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.
.