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    CVE-2026-86378

    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.

    Published:Oct 28, 2026
    Last Modified:Oct 29, 2026
    EPS:Oct 28, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Dell
    Product
    Powerprotect Data Domain

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-110541 (CVSS 7.2) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-103779 (CVSS 8.3) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-103780 (CVSS 9.8) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-86377 (CVSS 7.6) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-86380 (CVSS 7.2) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-86383 (CVSS 6.8) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2025 release versions 8.3.1.0 …
    CVE-2026-86384 (CVSS 9.8) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-86385 (CVSS 8.8) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, contain an Improper Check for Dro…
    CVE-2026-86388 (CVSS 5.3) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…
    CVE-2026-92665 (CVSS 5.3) — Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High