# CVE-2026-68863: Dell PowerProtect One stack-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-68863-dell-powerprotect-one-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-26. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-68863 · Severity: high · CVSS 7.5 · Published 2026-08-26

Dell PowerProtect One is a data protection and disaster recovery platform used by enterprises to safeguard critical systems and backups. An unauthenticated attacker with network access could trigger a stack-based buffer overflow, causing the PowerProtect One service to crash and denying legitimate users access to backup and recovery capabilities. This vulnerability requires no authentication or user interaction to exploit.

Technologies: [Dell Powerprotect One](https://junglewise.ai/threats/technologies/powerprotect-one). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-68863 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-68863 being exploited in the wild.

**How severe is CVE-2026-68863?** High severity, with a CVSS score of 7.5, published 26 August 2026.

**Which products and versions are affected?** Dell Powerprotect One 20.1.0.0 and below.

**Is there a fix for CVE-2026-68863?** 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-2026-68863 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-68863?** Check whether you run Dell Powerprotect One 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 stack-based buffer overflow in Dell PowerProtect One versions 20.1.0.0 and below. An unauthenticated attacker with network reachability can send a specially crafted request to trigger the buffer overflow, resulting in a denial of service condition. The attack vector is network-based with low complexity and no authentication required. While the CVSS score (7.5) indicates high severity, the impact is limited to availability; no confidentiality or integrity compromise is possible through this specific flaw. A patch is available from Dell to remediate this and related vulnerabilities.

## Affected products

- Dell PowerProtect One 20.1.0.0 and below

## Timeline

- 2026-08-26: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000500902/dsa-2026-369-security-update-for-dell-powerprotect-one-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000500902/dsa-2026-369-security-update-for-dell-powerprotect-one-multiple-vulnerabilities)

## Related threats

- [Dell PowerProtect One improper certificate validation](https://junglewise.ai/threats/cve-2026-74774-dell-powerprotect-one-improper-certificate-validation)
- [Dell PowerProtect One authorization bypass in user-controlled key](https://junglewise.ai/threats/cve-2026-74771-dell-powerprotect-one-authorization-bypass-in-user-controlled-key)
- [Dell PowerProtect One OS command injection](https://junglewise.ai/threats/cve-2026-74770-dell-powerprotect-one-os-command-injection)
- [Dell PowerProtect One OS command injection](https://junglewise.ai/threats/cve-2026-68861-dell-powerprotect-one-os-command-injection)
- [Dell PowerProtect One cache poisoning via insufficiently trustworthy component](https://junglewise.ai/threats/cve-2026-67275-dell-powerprotect-one-cache-poisoning-via-insufficiently)