PatchSiren cyber security CVE debrief
CVE-2026-67266 Dell CVE debrief
Dell Command Update vulnerability CVE-2026-67266 allows low-privileged attackers to elevate privileges. This Incorrect Authorization vulnerability affects Dell Command Update versions prior to 5.7.1. A low-privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. Dell released a security update to address this issue. System administrators should review the security update and apply it to prevent potential privilege escalation attacks.
- Vendor
- Dell
- Product
- Command Update
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-19
- Original CVE updated
- 2026-08-21
- Advisory published
- 2026-08-19
- Advisory updated
- 2026-08-21
Who should care
System administrators and security teams responsible for Dell Command Update installations should apply the security update to prevent potential privilege escalation attacks. This includes teams managing Dell systems, security operations centers, and IT personnel overseeing system updates. Additionally, operators and platform administrators should review the security update and ensure that affected systems are updated to prevent exploitation.
Technical summary
CVE-2026-67266 is an Incorrect Authorization vulnerability in Dell Command Update versions prior to 5.7.1. A low-privileged attacker with local access could exploit this vulnerability to elevate privileges. The vulnerability allows attackers to bypass normal authorization mechanisms, potentially leading to unauthorized access and privilege escalation. Dell has released a security update to address this issue, which should be applied to prevent exploitation.
Defensive priority
Medium priority due to local access requirement and medium CVSS score.
Recommended defensive actions
- Apply the security update provided by Dell
- Restrict local access to sensitive systems
- Monitor system logs for suspicious activity
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
Evidence notes
The CVE record and NVD entry provide details on the vulnerability. A vendor advisory is available for mitigation. The vulnerability affects Dell Command Update versions prior to 5.7.1. Evidence is based on CVE and NVD information. Defenders should verify affected systems and apply the security update. Limited source detail is available, so further verification is needed.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-67266 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-67266
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-67266 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67266
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Mitigation or vendor reference
Unverified legacy reference
URL: https://www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-dell-command-update-for-multiple-vulnerabilities
[email protected] - 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.