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CVE-2026-56085 Dell CVE debrief

A low privileged attacker with local access could potentially exploit the use of uninitialized resource vulnerability in 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, leading to information exposure. This vulnerability is caused by the use of an uninitialized resource, which could allow an attacker to access sensitive information. System administrators and security teams should be aware of this vulnerability and take necessary precautions to protect their systems.

Vendor
Dell
Product
PowerProtect Data Domain
CVSS
LOW 3.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-03
Original CVE updated
2026-07-08
Advisory published
2026-07-03
Advisory updated
2026-07-08

Who should care

System administrators and security teams responsible for Dell PowerProtect Data Domain systems, particularly those with 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, and LTS2024 release versions 7.13.1.0 through 7.13.1.70, should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability is caused by the use of an uninitialized resource in Dell PowerProtect Data Domain. An attacker with low privileges and local access could exploit this vulnerability, potentially leading to information exposure. The affected versions include 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, and LTS2024 release versions 7.13.1.0 through 7.13.1.70. The vulnerability can be mitigated by applying vendor-provided security updates and restricting local access to the system.

Defensive priority

Low

Recommended defensive actions

  • Apply the vendor-provided security updates as described in DSA-2026-278
  • Restrict local access to the system to trusted users only
  • Monitor system logs for any suspicious activity
  • Consider implementing additional security controls, such as multi-factor authentication
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-03T13:17:30.240Z and was last modified on 2026-07-08T19:32:34.597Z. The NVD entry is currently Analyzed. The vulnerability affects 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, and LTS2024 release versions 7.13.1.0 through 7.13.1.70. The information provided is based on the available data and may not be exhaustive.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-03T13:17:30.240Z and has not been modified since then. The NVD entry is currently Analyzed.