CVE-2026-53479: dell data_domain_operating_system OS Command Injection
Vulnerability summary
CVE-2026-53479 is a high (CVSS 7.2) OS Command Injection vulnerability in dell data_domain_operating_system. EPSS estimates a 1.97% chance of exploitation in the next 30 days, higher than 80.2% of scored vulnerabilities.
Timeline
- 07-07-2026PublishedVulnerability first disclosed.
- 08-07-2026Last modifiedVulnerability information updated.
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 remote high privileged attacker could potentially exploit this vulnerability, leading to protection mechanism bypass. This is a Critical vulnerability as it allows an attacker to invoke arbitrary command execution with root privileges; so Dell recommends customers to upgrade at the earliest opportunity.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.97%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.97% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell2 products
- data_domain_operating_system≥ 7.7.1.0, < 7.13.1.80 | ≥ 7.14.0.0, < 8.3.1.40 | ≥ 8.4.0.0, < 8.6.1.20 | ≥ 8.7.0.0, < 8.8.0.0
- powerprotect data domain< 8.8.0.0 or later | < 8.6.1.20 or later | < 8.3.1.40 or later | < 7.13.1.80 or later
1 vendor · 2 products
References
1 links- www.dell.com/support/…Vendor Advisory