Security readout for executives and security teams
Plain-English summary
CVE-2026-21976 affects Oracle Business Intelligence Enterprise Edition in Oracle Analytics. A low-privileged user who can log on to the infrastructure hosting OBIEE could gain broad unauthorized access to BI data and modify or delete critical data. This is not described as remotely exploitable from the internet.
Executive priority
Treat as a high-priority data integrity and confidentiality issue for affected Oracle BI environments. It is most urgent where many users can access the underlying infrastructure or where OBIEE stores sensitive business data. Prioritize patch validation and access reduction.
Technical view
Oracle reports affected OBIEE versions 7.6.0.0.0 and 8.2.0.0.0, component Oracle Analytics Cloud. CVSS 7.1: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. Impact is high confidentiality and integrity compromise without availability impact. No CWE or technical root cause is provided in the source bundle.
Likely exposure
Exposure is primarily where low-privileged users, service accounts, administrators, or contractors can log on to the infrastructure where Oracle Business Intelligence Enterprise Edition executes. Systems running affected versions should be prioritized, especially those containing sensitive reporting, financial, customer, or operational analytics data.
Exploitation context
The vendor characterizes exploitation as easy, but requiring local access and low privileges. The source bundle does not indicate public exploit availability or active exploitation. CISA KEV status is false in the provided data, so active exploitation should not be assumed.
Researcher notes
Public details are limited to Oracle’s advisory-level description and CVSS vector. The vulnerability requires local access with low privileges and impacts data read and write permissions within OBIEE-accessible data. No root cause, exploit details, or CWE are included in the provided sources.
Mitigation direction
- Review Oracle’s January 2026 Critical Patch Update guidance for this CVE.
- Apply Oracle-recommended updates or mitigations for affected OBIEE deployments.
- Restrict infrastructure logon access to trusted, necessary users only.
- Review least-privilege controls for OBIEE-related local and service accounts.
- Monitor BI data access, creation, deletion, and modification activity.
Validation and detection
- Inventory OBIEE deployments and confirm whether versions 7.6.0.0.0 or 8.2.0.0.0 are present.
- Verify Oracle CPU guidance has been applied to affected systems.
- Identify users and service accounts with infrastructure logon access to OBIEE hosts.
- Review audit logs for unusual access to critical BI data.
- Confirm backups and recovery processes cover important OBIEE-accessible data.
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.
CVE-2026-21976 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
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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:U/C:H/I:H/A:N1.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- Oracle AdvisoryCVE reference · 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.