Stack-Based Buffer Overflow in Dell PowerProtect Data Domain
CVE-2026-26951

6.7MEDIUM

Key Information:

Vendor

Dell
Status
Powerprotect Data Domain
Vendor
CVE Published:
20 April 2026

What is CVE-2026-26951?

Dell PowerProtect Data Domain versions 7.7.1.0 through 8.6, and specific LTS releases, are affected by a stack-based buffer overflow vulnerability. This security flaw allows an attacker with local access and high privileges to potentially execute arbitrary commands with root privileges, compromising the integrity and security of the system. It is crucial for users of affected versions to apply available updates to mitigate potential exploitation.

Affected Version(s)

PowerProtect Data Domain 0 < 8.6.1.10, 8.7.0.0 or later

PowerProtect Data Domain 0 < 8.3.1.30 or later

PowerProtect Data Domain 0 < 7.13.1.70 or later

References

https://www.dell.com/support/kbdoc/en-us/000450699/dsa-20...
vendor-advisory

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dell would like to thank brocked200 (Nguyen Quoc Khanh) for reporting these issues.
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