CVE-2026-86378

HIGH CVSS 3.1: 8.8 EPSS 0.37%
Updated Oct 29, 2026
Dell
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 7.7.1.0 — 8.8
Type CWE-121 (Stack-based Buffer Overflow)
Vendor Dell
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

dell:powerprotect data domain