# CVE-2026-28263: Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through…

Source: https://junglewise.ai/threats/cve-2026-28263-dell-powerprotect-data-domain-with-data-domain-operating-system  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-17  
License: CC BY 4.0 with a link back

CVE-2026-28263 · Severity: medium · CVSS 5.9 · Published 2026-04-17

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.50, contain a cross-site Scripting vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Script injection.

Technologies: [Dell Data Domain Operating System](https://junglewise.ai/threats/technologies/data-domain-operating-system), [Dell PowerProtect Data Domain](https://junglewise.ai/threats/technologies/powerprotect-data-domain). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-28263 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-28263 being exploited in the wild.

**How severe is CVE-2026-28263?** Medium severity, with a CVSS score of 5.9, published 17 April 2026.

**Which products and versions are affected?** Dell Data Domain Operating System, Dell PowerProtect Data Domain. The advisory does not name versions.

**Is there a fix for CVE-2026-28263?** 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.

**Am I affected by CVE-2026-28263?** Check whether you run Dell Data Domain Operating System or Dell PowerProtect Data Domain. 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.

## Affected products

- Dell Data Domain Operating System
- Dell PowerProtect Data Domain

## Related threats

- [Dell PowerProtect Data Domain stack buffer overflow](https://junglewise.ai/threats/cve-2026-86378-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0)
- [Dell PowerProtect Data Domain out-of-bounds write](https://junglewise.ai/threats/cve-2026-86377-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0)
- [Dell PowerProtect Data Domain OS command injection](https://junglewise.ai/threats/cve-2026-110541-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0)
- [Dell PowerProtect Data Domain stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-103780-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0)
- [Dell PowerProtect Data Domain improper authentication](https://junglewise.ai/threats/cve-2026-103779-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0)