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CVE-2026-23853

Dell Data Domain Operating System vulnerability

8.4 HIGHEPSS 0.16%
  1. Published17 Apr 2026

Description

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.50, contain a use of weak credentials vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to unauthorized access to the system.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Dell Powerprotect Dp Series Appliance< 2.7.9
Dell Data Domain Operating System≥ 7.14.0.0 < 8.3.1.30 · ≥ 7.7.1.0 < 7.13.1.60 · ≥ 8.4.0.0 ≤ 8.6.0.0

Remediation

Fixed in
Dell Powerprotect Dp Series Appliance≥ 2.7.9
Dell Data Domain Operating System≥ 8.3.1.30

References

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Frequently asked

Is CVE-2026-23853 being actively exploited?

CVE-2026-23853 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.16%.

How severe is CVE-2026-23853?

CVE-2026-23853 has a CVSS 3.1 base score of 8.4, rated high. EPSS estimates a 0.16% probability of exploitation.

Which products are affected by CVE-2026-23853?

Affected products include Dell Powerprotect Dp Series Appliance, Dell Data Domain Operating System.

How do I fix CVE-2026-23853?

Upgrade affected software to a fixed version, for example Dell Powerprotect Dp Series Appliance 2.7.9, Dell Data Domain Operating System 8.3.1.30 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-23853 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.