Security readout for executives and security teams
Plain-English summary
CVE-2026-35154 affects Dell PowerProtect Data Domain systems in listed Feature Release and LTS versions. It requires a highly privileged local attacker and user interaction, but could allow unauthorized delete operations. This is not a broad remote takeover issue, but it matters because backup storage integrity is business-critical.
Executive priority
Treat as a controlled but important backup-platform risk. Schedule remediation through normal security maintenance, escalating if affected systems protect critical recovery data or have broad administrative access.
Technical view
The issue is improper privilege management, CWE-269, in Dell PowerProtect Data Domain. CVSS 3.1 score is 6.3 with AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H. A high-privileged local attacker could elevate capabilities to perform unauthorized delete operations. Dell lists affected Feature Release 7.7.1.0-8.6.0.0, 8.7.0.0, LTS2025 8.3.1.0-8.3.1.20, and LTS2024 7.13.1.0-7.13.1.60.
Likely exposure
Exposure is limited to organizations running the listed Dell PowerProtect Data Domain versions. Risk is highest where administrative or local access is shared, weakly monitored, or delegated across backup operations teams.
Exploitation context
No active exploitation is indicated in the provided sources, and the CVE is not marked KEV. Exploitation requires local access, high privileges, high attack complexity, and user interaction, reducing likelihood but not impact.
Researcher notes
The public record identifies privilege management weakness and impact but does not provide detailed root cause or exploit mechanics. Avoid assuming remote exploitability. Focus validation on version exposure, privilege boundaries, and delete-operation authorization controls.
Mitigation direction
- Review Dell advisory DSA-2026-060 for fixed versions and upgrade guidance.
- Prioritize remediation for internet-adjacent management environments and critical backup repositories.
- Restrict local and administrative access to Data Domain systems.
- Review privileged account delegation for backup administrators.
- Monitor for unusual or unauthorized delete activity.
Validation and detection
- Inventory all Dell PowerProtect Data Domain versions.
- Compare versions against the affected ranges in the CVE description.
- Confirm whether Dell-recommended security updates are applied.
- Audit local privileged users and administrative role assignments.
- Review logs for unexpected delete operations or privilege changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-35154 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H0.35.9dellVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilitiesCVE reference, dell · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.