CVE-2026-26355

MEDIUM

6.5

CVSS Score

Published: July 3, 2026 at 12:41 PM UTC

Updated: October 25, 2026 at 09:10 PM UTC

1 product affected across 1 vendorData Domain Operating System

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Severity

MEDIUM6.5

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper neutralization of special Elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Data Domain Operating System · Dell

95%

7.7.1.0 ≤ v < 7.13.1.808.3.1.0 ≤ v < 8.3.1.408.6.1.0 ≤ v < 8.6.1.20

Affected range stops below 7.13.1.80, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.13.1.80 or later, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.3.1.40, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.3.1.40 or later, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.1.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.1.20 or later, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.8.0.0 or later, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

References (1)

Vendor Advisory

Source: cverecord

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMdell

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-78

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