CVE-2026-26355Network attack vector

High-privilege command execution via OS command injection

Published Jul 3, 2026 · Updated Jul 3, 2026

OS command injection in Dell PowerProtect Data Domain 7.7.1.0 through 8.7 allows remote authenticated users to execute commands. Dell has not published the affected interface or function, only that it fails to neutralize special elements before incorporating privileged remote input into an OS command. Exploitation requires high privileges and can alter data or interrupt service through command execution, with no confidentiality impact reported.

CVSS severity7.2
High
EPSS probability1.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Dell PowerProtect Data Domain 7.7.1.0 through 8.7 allows remote authenticated users to execute commands. Dell has not published the affected interface or function, only that it fails to neutralize special elements before incorporating privileged remote input into an OS command. Exploitation requires high privileges and can alter data or interrupt service through command execution, with no confidentiality impact reported.

The record

CVE
CVE-2026-26355
Published
Jul 3, 2026
Updated
Jul 3, 2026
Vendor
Unity Technologies
Product
PowerProtect Data Domain
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <7.13.1.80 or later
  2. Affected versionversion=0 <8.3.1.40 or later
  3. Affected versionversion=0 <8.6.1.20 or later
  4. Affected versionversion=0 <8.8.0.0 or later

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Unity Technologies · PowerProtect Data Domainversion=0 <7.13.1.80 or later; version=0 <8.3.1.40 or later; version=0 <8.6.1.20 or later; version=0 <8.8.0.0 or later

Published CVSS scores

7.2DellCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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