CVE-2026-77092

Analyzed Analyzed - Analysis Complete

Privilege Escalation in Content Extractor via Deserialization

Publication date: 2026-09-08

Last updated on: 2026-09-11

Assigner: Commvault

Description

Content Extractor contained a deserialization of untrusted data issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Content Extractor.

CVSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-11

Generated

2026-11-08

AI Q&A

2026-09-09

EPSS Evaluated

2026-11-07

NVD

CVE-2026-77092

Affected Vendors & Products

Vendor	Product	Version / Range
commvault	commvault	From 11.36.0 (inc) to 11.36.123 (exc)
commvault	commvault	From 11.40.0 (inc) to 11.40.72 (exc)
commvault	commvault	From 11.44.0 (inc) to 11.44.20 (exc)
commvault	commvault	From 11.46.0 (inc) to 11.46.20 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Executive Summary

This vulnerability involves a deserialization of untrusted data issue in the Content Extractor software. It affects privilege management, potentially allowing unauthorized access or privilege escalation due to improper handling of serialized data.

Detection Guidance

Detection requires checking the Content Extractor version and verifying if it is running an affected release. Compare installed version against the vendor's resolved maintenance release noted in the advisory.

Impact Analysis

An attacker could exploit this to gain elevated privileges or execute arbitrary code on the affected system. This may lead to unauthorized data access, system compromise, or disruption of services if the Content Extractor is used in a privileged context.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations, legal penalties, or reputational damage if exploited.

Mitigation Strategies

Immediately upgrade Content Extractor to the resolved maintenance release provided by the vendor. Follow the vendor's update instructions to apply the patch and restart the service.

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