Dell PowerProtect Data Domain up to 8.8 out-of-bounds write

Summaryinfo

A vulnerability was found in Dell PowerProtect Data Domain up to 8.8. It has been rated as problematic. The impacted element is an unknown function. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2026-86377. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Dell PowerProtect Data Domain up to 8.8 and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect integrity, and availability. The summary by CVE is:

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Out-of-bounds Write vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

It is possible to read the advisory at dell.com. This vulnerability is known as CVE-2026-86377 since 09/07/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/28/2026).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Dell

Name

• PowerProtect Data Domain

Version

• 7.7.0
• 7.7.1.0
• 7.13.0
• 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
• 7.13.1.61
• 7.13.1.62
• 7.13.1.63
• 7.13.1.64
• 7.13.1.65
• 7.13.1.66
• 7.13.1.67
• 7.13.1.68
• 7.13.1.69
• 7.13.1.70
• 7.13.1.71
• 7.13.1.72
• 7.13.1.73
• 7.13.1.74
• 7.13.1.75
• 7.13.1.76
• 7.13.1.77
• 7.13.1.78
• 7.13.1.79
• 7.13.1.80
• 8.0
• 8.1
• 8.2
• 8.3
• 8.3.0
• 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
• 8.3.1.21
• 8.3.1.22
• 8.3.1.23
• 8.3.1.24
• 8.3.1.25
• 8.3.1.26
• 8.3.1.27
• 8.3.1.28
• 8.3.1.29
• 8.3.1.30
• 8.3.1.31
• 8.3.1.32
• 8.3.1.33
• 8.3.1.34
• 8.3.1.35
• 8.3.1.36
• 8.3.1.37
• 8.3.1.38
• 8.3.1.39
• 8.3.1.40
• 8.4
• 8.5
• 8.6
• 8.6.0
• 8.6.1.0
• 8.6.1.1
• 8.6.1.2
• 8.6.1.3
• 8.6.1.4
• 8.6.1.5
• 8.6.1.6
• 8.6.1.7
• 8.6.1.8
• 8.6.1.9
• 8.6.1.10
• 8.6.1.11
• 8.6.1.12
• 8.6.1.13
• 8.6.1.14
• 8.6.1.15
• 8.6.1.16
• 8.6.1.17
• 8.6.1.18
• 8.6.1.19
• 8.6.1.20
• 8.7
• 8.8

License

• commercial

Website

• Vendor: https://www.dell.com/

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