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High severity8.8NVD Advisory· Published Oct 28, 2026

CVE-2026-86378

CVE-2026-86378

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.

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Affected products

1
  • Dell/Powerprotect Data Domainllm-fuzzy
    Range: 7.7.1.0-8.8 (Feature Release), 7.13.1.0-7.13.1.80 (LTS2024), 8.3.1.0-8.3.1.40 (LTS2025), 8.6.1.0-8.6.1.20 (LTS2026)

Patches

Vulnerability mechanics

References

1

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