CVE-2026-26951: Buffer Overflow

Published Apr 20, 2026
·
Updated

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.

Affected Software

5 affected components
Dell PowerProtect Data Domain>=7.7.1.0<=8.6, >=8.3.1.0<=8.3.1.20, >=7.13.1.0<=7.13.1.60
Dell Powerprotect Dp Series Appliance<2.7.9
Dell Data Domain Operating System>=7.7.1.0<7.13.1.70
Dell Data Domain Operating System>=8.3.1.0<8.3.1.30
Dell Data Domain Operating System>=8.4.0.0<8.6.1.0

Event History

Apr 20, 2026
CVE Published
via MITRE·04:44 PM
Data Sourced
via MITRE·04:44 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-26951?

CVE-2026-26951 is classified as a high severity vulnerability due to the potential for exploitation by high privileged attackers with local access.

2

How do I fix CVE-2026-26951?

To mitigate CVE-2026-26951, users should update their Dell PowerProtect Data Domain software to the latest patched version.

3

What type of vulnerability is CVE-2026-26951?

CVE-2026-26951 is a stack-based buffer overflow vulnerability.

4

Which versions of Dell PowerProtect Data Domain are affected by CVE-2026-26951?

Affected versions include Dell PowerProtect Data Domain versions from 7.7.1.0 to 8.6, 8.3.1.0 to 8.3.1.20, and 7.13.1.0 to 7.13.1.60.

5

Can CVE-2026-26951 be exploited remotely?

No, CVE-2026-26951 requires local access for the vulnerability to be exploited.

Contact

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