CVE-2026-91906 Dell CVE debrief

Who should care

Defenders responsible for Dell OpenManage Enterprise deployments should assess exposure and implement compensating controls to prevent potential protection mechanism bypass. This includes verifying exposure, implementing monitoring, reviewing and updating local access controls, and planning vendor-supported updates or mitigations. Security teams and vulnerability management teams should also review the vulnerability's impact and remediation to ensure the  

Why it matters

CVE-2026-91906 allows low-privileged attackers with local access to potentially bypass protection mechanisms in Dell OpenManage Enterprise versions prior to 4.8.0, requiring defenders to verify exposure and implement compensating controls.

• Verification of exposure and potential impact on Dell OpenManage Enterprise deployments
• Implementation of compensating controls to prevent protection mechanism bypass
• Monitoring for potential exploitation attempts
• Review and update of local access controls to limit attacker access

Technical summary

CVE-2026-91906 is an Incorrect Permission Assignment for Critical Resource vulnerability in Dell OpenManage Enterprise versions prior to 4.8.0, allowing low-privileged attackers with local access to potentially bypass protection mechanisms. This vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. Defenders should prioritize verifying exposure and implementing compensating controls, as the vulnerability's impact and remediation require verification from official sources. The vulnerability affects Dell OpenManage Enterprise deployments, and defenders should assess exposure and implement compensating controls to prevent potential protection mechanism bypass.

Defensive priority

Defenders should prioritize verifying exposure and implementing compensating controls, as the vulnerability's impact and remediation require verification from official sources.

Recommended defensive actions

• Verify exposure by checking Dell OpenManage Enterprise versions and applying compensating controls
• Implement monitoring to detect potential exploitation attempts
• Review and update local access controls to limit attacker access
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide limited information on the vulnerability's impact and remediation, requiring further verification from official sources. To verify exposure, defenders should check Dell OpenManage Enterprise versions and apply compensating controls. The vulnerability's impact and remediation require verification from official sources, and defenders should monitor for potential exploitation attempts.

Sources and references

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.