# CVE-2026-90720: Dell PowerProtect Data Domain integrity check bypass

Source: https://junglewise.ai/threats/cve-2026-90720-dell-powerprotect-data-domain-feature-release-versions-7-7-1-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-28. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-90720 · Severity: medium · CVSS 6.7 · Published 2026-10-28

Dell PowerProtect Data Domain is a backup and disaster recovery appliance used by enterprises to protect critical data. A high-privileged local attacker could bypass security protections by exploiting improper validation of integrity checks. This could allow an attacker to manipulate system protection mechanisms and compromise data integrity.

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

## Quick answers

**Is CVE-2026-90720 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-90720 being exploited in the wild.

**How severe is CVE-2026-90720?** Medium severity, with a CVSS score of 6.7, published 28 October 2026.

**Which products and versions are affected?** Dell PowerProtect Data Domain Feature Release 7.7.1.0–8.8; LTS2024 7.13.1.0–7.13.1.80; LTS2025 8.3.1.0–8.3.1.40; LTS2026 8.6.1.0–8.6.1.20.

**Is there a fix for CVE-2026-90720?** 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-2026-90720 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-90720?** Check whether you run Dell PowerProtect Data Domain 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 involves improper validation of integrity check values in PowerProtect Data Domain, allowing a high-privileged local attacker to bypass protection mechanisms. Attack vector requires local access and elevated privileges. The flaw permits circumvention of integrity protections that normally safeguard system data.

## Affected products

- Dell PowerProtect Data Domain Feature Release 7.7.1.0–8.8; LTS2024 7.13.1.0–7.13.1.80; LTS2025 8.3.1.0–8.3.1.40; LTS2026 8.6.1.0–8.6.1.20

## Timeline

- 2026-10-28: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities)

## 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)