Security readout for executives and security teams
Plain-English summary
A vulnerable Dell driver can let a local authenticated Windows user gain more power, disrupt the system, or access information. The issue is serious because driver-level flaws can affect system trust boundaries, but the source bundle says local authenticated access is required.
Executive priority
Prioritize remediation in the normal high-severity endpoint security queue, especially where many users share Dell systems. No active exploitation is cited here, but successful abuse could undermine endpoint integrity.
Technical view
CVE-2021-36276 affects Dell DBUtilDrv2.sys versions 2.5 and 2.6. It is an insufficient access control flaw, CWE-285, with CVSS 3.1 score 8.8. The vector is local, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on Dell client systems where DBUtilDrv2.sys version 2.5 or 2.6 is present. The bundle does not identify additional affected products, deployment paths, or file locations.
Exploitation context
The CVE requires local authenticated user access. The provided KEV flag is false, and the bundle does not cite active exploitation or public exploit use. Treat this as a high-impact local privilege risk, not confirmed internet-facing exploitation.
Researcher notes
Evidence supports a local authenticated insufficient access control issue in DBUtilDrv2.sys 2.5 and 2.6. The source bundle does not provide exploit details, affected platform models, forensic indicators, or exact remediation mechanics beyond Dell’s security advisory reference.
Mitigation direction
- Review Dell DSA-2021-152 and apply the vendor security update or removal guidance.
- Inventory endpoints for DBUtilDrv2.sys versions 2.5 and 2.6.
- Prioritize remediation on shared workstations and systems with untrusted local users.
- Check Dell guidance before deleting or replacing driver files manually.
Validation and detection
- Confirm whether DBUtilDrv2.sys is present on Dell client endpoints.
- Verify any present driver is not version 2.5 or 2.6.
- Confirm remediation status against Dell advisory DSA-2021-152.
- Review local-user exposure on systems where the driver remains present.
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-285: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-36276 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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.
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:L/PR:L/UI:N/S:C/C:H/I:H/A:H26Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
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.