Vulnerability · Published Oct 8, 2026 · Assigned by microsoft
CVE-2026-88131Microsoft Dataverse Remote Code Execution Vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Microsoft Dataverse from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.2%top 31.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Dataverse | - |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Dataverse Remote Code Execution Vulnerability vendor-advisory, patch