Vulnerability · Published Jul 14, 2026 · Assigned by microsoft
CVE-2026-56642Microsoft Fabric Data Warehouse Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity stack buffer overflow in Service Fabric from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Stack-based buffer overflow in Microsoft Fabric Data Warehouse allows an authorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Service Fabric | - |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Fabric Data Warehouse Remote Code Execution Vulnerability vendor-advisory, patch