CVE-2026-86378

Stack‑Based Buffer Overflow in Dell PowerProtect Data Domain Allows Unauthorized Remote Access

Published Oct 28, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dell data Domain Operating System
CPEs cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*
Vendors & Products Dell data Domain Operating System
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stack‑Based Buffer Overflow in Dell PowerProtect Data Domain Allows Unauthorized Remote Access
Type Values Removed Values Added
First Time appeared Dell
Dell powerprotect Data Domain
Vendors & Products Dell
Dell powerprotect Data Domain
Type Values Removed Values Added
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.
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
dell
Published
Updated
Oct 29, 2026, 10:45 AM
Reserved
Sep 7, 2026, 10:04 AM
Status
Analyzed
Published
Oct 28, 2026, 11:17 AM
Modified
Nov 12, 2026, 2:40 PM