Security readout for executives and security teams
Plain-English summary
Azure Synapse may grant excessive privileges to an already authorized user attacking over the network. Successful exploitation could let that user cross security boundaries and seriously affect sensitive data, system integrity, and service availability. The affected version range is not specified in the supplied evidence.
Executive priority
Treat as an urgent identity and cloud-control issue. Assign ownership immediately, determine whether Azure Synapse is used, and confirm Microsoft remediation status. Prioritize environments containing regulated, confidential, or operationally critical data, while avoiding claims of compromise without supporting telemetry.
Technical view
CVE-2026-48584 is a CWE-250 unnecessary-privilege flaw in Microsoft Azure Synapse. It requires low privileges, network access, low complexity, and no user interaction. The CVSS 3.1 score is 9.9 with changed scope and high confidentiality, integrity, and availability impacts.
Likely exposure
Potential exposure applies to organizations using Azure Synapse where authorized identities can reach the service over a network. Exact affected versions, configurations, and tenant responsibilities are not provided, so inventory and vendor-guidance review are required before determining exposure.
Exploitation context
The supplied bundle does not report active exploitation and indicates no KEV listing. CVSS marks exploit maturity as unproven. Nevertheless, low attack complexity, no user interaction, network reachability, and only low privileges make the vulnerability strategically important if an attacker already holds valid access.
Researcher notes
The record provides no affected version range, configuration prerequisites, technical root-cause detail, or indicators of compromise. Scope change suggests impact may extend beyond the initially vulnerable security authority, but the supplied sources do not define that boundary. Validation should remain configuration- and telemetry-focused pending fuller Microsoft guidance.
Mitigation direction
- Review the Microsoft advisory for affected configurations and official remediation instructions.
- Apply Microsoft-provided remediation within the vendor-recommended timeframe.
- Restrict Azure Synapse access to necessary identities and trusted network paths.
- Review privileged roles and remove unnecessary permissions while remediation is confirmed.
Validation and detection
- Inventory Azure Synapse deployments, subscriptions, workspaces, and responsible owners.
- Compare each deployment against the affected criteria in Microsoft guidance.
- Confirm vendor remediation status through Azure administration and change records.
- Review identity and audit logs for unexpected privilege changes or sensitive administrative actions.
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-250: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-48584 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
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
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:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C3.16microsoftVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
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
- Microsoft Azure Synapse Elevation of Privilege VulnerabilityCVE reference, microsoft · vendor-advisory, patch
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.
Execution with Unnecessary Privileges
Execution with Unnecessary Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.