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PatchSiren cyber security CVE debrief

CVE-2026-46464 Dell CVE debrief

A high privileged attacker with remote access could potentially exploit the improper link resolution before file access vulnerability in Dell PowerProtect Data Domain, leading to information disclosure. This vulnerability exists in 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 vulnerability allows for potential information disclosure, and administrators should apply patches to prevent exploitation.

Vendor
Dell
Product
PowerProtect Data Domain
CVSS
MEDIUM 4.9
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

Administrators and users of 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 should apply patches to prevent potential information disclosure. This includes operators, platform administrators, vulnerability management teams, and security teams responsible for ensuring the security and integrity of Dell PowerProtect Data Domain deployments.

Technical summary

The vulnerability exists in Dell PowerProtect Data Domain due to improper link resolution before file access. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to information disclosure. 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. There is no evidence of public exploitation.

Defensive priority

Medium priority should be given to patching 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 to prevent potential information disclosure.

Recommended defensive actions

  • Apply patches provided by Dell for 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 7.13.
  • 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.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record was published on 2026-07-03T14:16:30.360Z and was last modified on 2026-07-08T19:32:24.010Z. The NVD entry is currently Analyzed. This 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. There is no evidence of public exploitation, but defenders should verify patch deployment and monitor for potential information disclosure.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46464 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46464

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46464 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46464

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Mitigation or vendor reference

    Unverified legacy reference

    URL: https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

    [email protected] - Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.