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PatchSiren cyber security CVE debrief

CVE-2026-77092 Commvault CVE debrief

CVE-2026-77092 is a HIGH-severity vulnerability in Commvault's Content Extractor, affecting privilege management due to deserialization of untrusted data. Software customers are advised to upgrade to a resolved maintenance release. The CVE record was published on 2026-09-08T13:17:25.480Z and was last modified on 2026-09-11T14:22:39.357Z. The NVD entry is currently Analyzed.

Vendor
Commvault
Product
Commvault Cloud
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-11
Advisory published
2026-09-08
Advisory updated
2026-09-11

Who should care

Defenders responsible for managing Commvault software should assess exposure and prioritize upgrading Content Extractor to a resolved maintenance release.

Why it matters

CVE-2026-77092 is a HIGH-severity vulnerability in Commvault's Content Extractor that affects privilege management. Defenders should prioritize upgrading to a resolved maintenance release to mitigate potential issues.

  • Potential privilege management issues due to deserialization of untrusted data
  • Need to verify affected versions of Commvault software
  • Requirement to upgrade Content Extractor to a resolved maintenance release

Technical summary

CVE-2026-77092 is a HIGH-severity vulnerability in Commvault's Content Extractor, affecting privilege management due to deserialization of untrusted data. The vulnerability has a CVSS score of 7.3 and affects various versions of Commvault software. Defenders should assess exposure, prioritize upgrading Content Extractor to a resolved maintenance release, and verify affected versions to mitigate potential privilege management issues.

Defensive priority

Defenders should prioritize upgrading Content Extractor to a resolved maintenance release to mitigate potential privilege management issues.

Recommended defensive actions

  • Upgrade Content Extractor to a resolved maintenance release
  • Review and apply vendor-provided security advisories
  • Monitor Commvault software for potential privilege management issues

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score of 7.3 and affected versions of Commvault software.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-77092 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-77092

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-77092 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-77092

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://documentation.commvault.com/securityadvisories/CV_2026_07_6.html

    050066fd-a2f9-4f32-ab5d-4c53f48bc333 - Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.