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CVE-2026-56642ImportantRevised 18 Aug

Microsoft Fabric Data Warehouse Remote Code Execution Vulnerability

MSRC advisory NVD CVE.org

Assessment

Stack-based buffer overflow in Microsoft Fabric Data Warehouse allows an authorized attacker to execute code over a network.

Severity
Important
CVSS base score
8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Remote Code Execution
EPSS, next 30 days
0.9%Higher than 58.5% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Unlikely
Publicly disclosed
No
Customer action
Not required (service-side fix)
Component
Microsoft Fabric Data Warehouse
Weakness
CWE-121: Stack-based Buffer Overflow
Issued by
Microsoft
Published
14 Jul 2026 · July 2026
Last revised
18 Aug 2026Updated the Security Updates table by removing an affected software entry. No user action is required. This is an informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

SQL Server
1 affected product
  • Fabric Data Warehouse
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