PatchSiren cyber security CVE debrief

CVE-2026-54483 Dell CVE debrief

CVE-2026-54483 is an OS command injection vulnerability in Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, 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. A high privileged attacker with local access could potentially exploit this vulnerability, leading to command execution. The vulnerability is caused by improper neutralization of special elements used in an OS command. Security teams and administrators responsible for Dell PowerProtect Data Domain systems should be aware of this vulnerability and take necessary actions to mitigate the risk.

Vendor: Dell
Product: PowerProtect Data Domain
CVSS: MEDIUM 6.7
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-03
Original CVE updated: 2026-07-07
Advisory published: 2026-07-03
Advisory updated: 2026-07-07

Who should care

Security teams and administrators responsible for Dell PowerProtect Data Domain systems should be aware of this vulnerability and take necessary actions to mitigate the risk. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is caused by improper neutralization of special elements used in an OS command. An attacker with high privileges and local access could exploit this vulnerability to execute commands. This vulnerability affects Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, 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.

Defensive priority

Medium priority due to the requirement of local access and high privileges for exploitation.

Recommended defensive actions

Inventory and assess Dell PowerProtect Data Domain systems for exposure.
Apply vendor-provided patches or updates to vulnerable systems.
Implement compensating controls such as monitoring and exception tracking.
Restrict local access to high-privileged users.
Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
Review compensating controls for exposed systems while remediation is scheduled and verified.
Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-07-03T13:17:29.507Z and was last modified on 2026-07-07T05:16:52.217Z. The NVD entry is currently Undergoing Analysis. This vulnerability affects Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, 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. The vulnerability is caused by improper neutralization of special elements used in an OS command. An attacker with high privileges and local access could exploit this vulnerability to execute commands.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-03T13:17:29.507Z and has not been modified since then. The NVD entry is currently Undergoing Analysis.