# CVE-2026-81477: Dell OpenManage Server Administrator heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-81477-dell-openmanage-server-administrator-heap-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-17. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-81477 · Severity: high · CVSS 7.2 · Published 2026-09-17

Dell OpenManage Server Administrator is a remote management tool used to monitor and administer Dell servers. A heap buffer overflow vulnerability in versions prior to 11.1.0.3 could allow a high-privileged attacker with remote access to execute arbitrary code on the affected system, potentially compromising server integrity and availability.

Technologies: [Dell OpenManage Server Administrator](https://junglewise.ai/threats/technologies/openmanage-server-administrator). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-81477 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-81477 being exploited in the wild.

**How severe is CVE-2026-81477?** High severity, with a CVSS score of 7.2, published 17 September 2026.

**Which products and versions are affected?** Dell OpenManage Server Administrator prior to 11.1.0.3.

**Is there a fix for CVE-2026-81477?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-81477 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-81477?** Check whether you run Dell OpenManage Server Administrator at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a heap-based buffer overflow in Dell OpenManage Server Administrator versions prior to 11.1.0.3. It requires high privilege level access and network reachability to the vulnerable application. Successful exploitation could lead to arbitrary code execution with the privileges of the OMSA process. A patch is available in version 11.1.0.3 and later as indicated by the affected versions list.

## Affected products

- Dell OpenManage Server Administrator prior to 11.1.0.3

## Timeline

- 2026-09-17: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv](https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv)

## Related threats

- [Dell OpenManage Server Administrator improper certificate validation](https://junglewise.ai/threats/cve-2026-81447-dell-openmanage-server-administrator-improper-certificate)
- [Dell OpenManage Server Administrator SSRF vulnerability](https://junglewise.ai/threats/cve-2026-81446-dell-openmanage-server-administrator-ssrf-vulnerability)
- [Dell OpenManage Server Administrator privilege escalation](https://junglewise.ai/threats/cve-2026-81445-dell-openmanage-server-administrator-privilege-escalation)
- [Dell OpenManage Server Administrator information exposure](https://junglewise.ai/threats/cve-2026-80356-dell-openmanage-server-administrator-information-exposure)
- [Dell OpenManage Server Administrator path traversal](https://junglewise.ai/threats/cve-2026-81453-dell-openmanage-server-administrator-path-traversal)