Vulnerability details

CVE-2026-86378

Dell PowerProtect Data Domain
CVSS 3.1
8.8High

Official description

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 a Stack-based Buffer Overflow vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CVEProject cvelistV5 (CNA) (dell) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Dell PowerProtect Data Domain v < 8.9.0.0 or later CVEProject cvelistV5 (CNA)
Dell PowerProtect Data Domain v < 7.13.1.90 or later CVEProject cvelistV5 (CNA)
Dell PowerProtect Data Domain v < 8.3.1.50 or later CVEProject cvelistV5 (CNA)
Dell PowerProtect Data Domain v < 8.6.1.30 or later CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-28
Last updated
2026-10-29
State
Published
Assigner (CNA)
dell

Exploit prediction (EPSS)

0.36%
Probability of exploitation in 30 days
30.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-121