CVE-2026-86377

Out‑of‑Bounds Write in Dell PowerProtect Data Domain Leading to Denial of Service

Published Oct 28, 2026 CVSS 3.1 · 7.6 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 an Out-of-bounds Write vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

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
Metrics ssvc

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

Type Values Removed Values Added
Title Out‑of‑Bounds Write in Dell PowerProtect Data Domain Leading to Denial of Service
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 an Out-of-bounds Write vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
dell
Published
Updated
Oct 29, 2026, 1:52 AM
Reserved
Sep 7, 2026, 10:04 AM
Status
Awaiting Analysis
Published
Oct 28, 2026, 11:17 AM
Modified
Oct 29, 2026, 2:16 AM