PatchSiren cyber security CVE debrief
CVE-2026-81447 Dell CVE debrief
Dell OpenManage Server Administrator versions prior to 11.1.0.3 contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering. The vulnerability has a medium severity and is being tracked by CVE-2026-81447. System administrators and security teams should assess exposure and prioritize remediation based on the affected versions and potential operational impacts.
- Vendor
- Dell
- Product
- OpenManage Server Administrator Managed Node (Patch) for Windows
- CVSS
- MEDIUM 6.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-17
- Original CVE updated
- 2026-09-18
- Advisory published
- 2026-09-17
- Advisory updated
- 2026-09-18
Who should care
System administrators and security teams responsible for Dell OpenManage Server Administrator installations should assess exposure and prioritize remediation based on the affected versions and potential operational impacts. They should review certificate validation practices and consider compensating controls for exposed systems while remediation is scheduled and verified.
Why it matters
CVE-2026-81447 is a medium-severity vulnerability in Dell OpenManage Server Administrator that could lead to information disclosure and tampering. System administrators and security teams should assess exposure, prioritize remediation, and review certificate validation practices.
- Potential information disclosure and tampering
- Need to verify and update affected versions
- Requires review of certificate validation practices
- May impact adjacent network access security
Technical summary
Dell OpenManage Server Administrator versions prior to 11.1.0.3 contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering. The vulnerability is tracked by CVE-2026-81447 and has a medium severity. The affected product context requires review of certificate validation practices and defensive impact assessment for adjacent network access security. System administrators and security teams should assess exposure and prioritize remediation.
Defensive priority
Medium
Recommended defensive actions
- Review and update Dell OpenManage Server Administrator to version 11.1.0.3 or later
- Implement proper certificate validation for adjacent network access
- Monitor for potential information disclosure and tampering
- 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 details on the vulnerability, but information on affected versions and remediation is limited. The Dell OpenManage Server Administrator versions prior to 11.1.0.3 are vulnerable. The NVD entry is currently Undergoing Analysis. The CVE record was published on 2026-09-17T15:16:52.697Z and has not been modified since then.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-81447 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-81447
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-81447 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81447
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv
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.