CVE-2026-26951

Root command execution via stack buffer overflow

Published Apr 20, 2026 · Updated Apr 20, 2026

Stack-based buffer overflow in Dell PowerProtect Data Domain 7.7.1.0 through 8.6 allows local users to execute commands as root. Dell has not disclosed the affected component, vulnerable operation, or input that overruns the stack buffer. Exploitation requires local access and high privileges; successful exploitation grants root-level command execution on the storage system.

CVSS severity6.7
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Dell PowerProtect Data Domain 7.7.1.0 through 8.6 allows local users to execute commands as root. Dell has not disclosed the affected component, vulnerable operation, or input that overruns the stack buffer. Exploitation requires local access and high privileges; successful exploitation grants root-level command execution on the storage system.

The record

CVE
CVE-2026-26951
Published
Apr 20, 2026
Updated
Apr 20, 2026
Vendor
Unity Technologies
Product
PowerProtect Data Domain
Classifications
CWE-121, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 20, 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 <2.7.9 with DD OS 8.3.1.30
  2. Affected versionversion=0 <7.13.1.70 or later
  3. Affected versionversion=0 <8.3.1.30 or later
  4. Affected versionversion=0 <8.6.1.10, 8.7.0.0 or later

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Unity Technologies · PowerProtect Data Domainversion=0 <2.7.9 with DD OS 8.3.1.30; version=0 <7.13.1.70 or later; version=0 <8.3.1.30 or later; version=0 <8.6.1.10, 8.7.0.0 or later

Published CVSS scores

6.7DellCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1068Exploitation for Privilege Escalation

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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