Medium severity · published Apr 17, 2026
CVE-2026-28263
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…
4.8
CVSS
0.2%
EPSS
No
On KEV
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 cross-site Scripting vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Script injection.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
PowerProtect Data Domain · Dell
before 8.6.0.0 or later; before 8.3.1.20 or later; before 7.13.1.50 or later; before 2.7.9 with DD OS 8.3.1.30 · source: vendor, NVD
DD
Data Domain Operating System · Dell
7.7.1.0 through 8.5.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28263
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28263
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
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