Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6 stack-based overflow

Summaryinfo

A vulnerability labeled as critical has been found in Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6. This issue affects some unknown processing. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2026-26951. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Dell PowerProtect Data Domain up to 7.13.1.60/8.3.1.20/8.6 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2026-26951 since 02/16/2026. The exploitation is known to be easy. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/20/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23914). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Dell

Name

• PowerProtect Data Domain

Version

• 7.13.1.0
• 7.13.1.1
• 7.13.1.2
• 7.13.1.3
• 7.13.1.4
• 7.13.1.5
• 7.13.1.6
• 7.13.1.7
• 7.13.1.8
• 7.13.1.9
• 7.13.1.10
• 7.13.1.11
• 7.13.1.12
• 7.13.1.13
• 7.13.1.14
• 7.13.1.15
• 7.13.1.16
• 7.13.1.17
• 7.13.1.18
• 7.13.1.19
• 7.13.1.20
• 7.13.1.21
• 7.13.1.22
• 7.13.1.23
• 7.13.1.24
• 7.13.1.25
• 7.13.1.26
• 7.13.1.27
• 7.13.1.28
• 7.13.1.29
• 7.13.1.30
• 7.13.1.31
• 7.13.1.32
• 7.13.1.33
• 7.13.1.34
• 7.13.1.35
• 7.13.1.36
• 7.13.1.37
• 7.13.1.38
• 7.13.1.39
• 7.13.1.40
• 7.13.1.41
• 7.13.1.42
• 7.13.1.43
• 7.13.1.44
• 7.13.1.45
• 7.13.1.46
• 7.13.1.47
• 7.13.1.48
• 7.13.1.49
• 7.13.1.50
• 7.13.1.51
• 7.13.1.52
• 7.13.1.53
• 7.13.1.54
• 7.13.1.55
• 7.13.1.56
• 7.13.1.57
• 7.13.1.58
• 7.13.1.59
• 7.13.1.60
• 8.0
• 8.1
• 8.2
• 8.3
• 8.3.1.0
• 8.3.1.1
• 8.3.1.2
• 8.3.1.3
• 8.3.1.4
• 8.3.1.5
• 8.3.1.6
• 8.3.1.7
• 8.3.1.8
• 8.3.1.9
• 8.3.1.10
• 8.3.1.11
• 8.3.1.12
• 8.3.1.13
• 8.3.1.14
• 8.3.1.15
• 8.3.1.16
• 8.3.1.17
• 8.3.1.18
• 8.3.1.19
• 8.3.1.20
• 8.4
• 8.5
• 8.6

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

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Once again VulDB remains the best source for vulnerability data.

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