CVE-2026-70178: CWE-862: Missing Authorization in Microsoft Microsoft Fabric
Description
Missing authorization in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.5high
Affected software
Microsoft
Microsoft Fabric
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-70178 is a missing authorization vulnerability (CWE-862) in Microsoft Fabric. It permits an attacker who already has some level of authorization to escalate their privileges remotely. The CVSS v3.1 base score is 8.5, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires high attack complexity and no user interaction. Microsoft has released an official fix for this issue.
Potential Impact
An attacker with low privileges on the network can exploit this vulnerability to gain elevated privileges, potentially compromising confidentiality, integrity, and availability of the affected system. This could lead to full system compromise or unauthorized access to sensitive resources within Microsoft Fabric environments.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided patch as soon as possible to remediate the issue. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T23:48:30.859Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70178","vendor":"Microsoft"}]
Threat ID: 6a99fdbeacd9273b4999b6ad
Added to database: 09/03/2026, 23:07:42 UTC
Last enriched: 10/13/2026, 20:45:08 UTC
Last updated: 10/18/2026, 06:48:19 UTC
Views: 109
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