CVE-2026-88131

Microsoft Dataverse Remote Code Execution Vulnerability

Published Oct 8, 2026 CVSS 3.1 · 9.8 Critical EPSS 1.2% KEV · Not listed
Description
Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:dataverse:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.
Title Microsoft Dataverse Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft dataverse
Weaknesses CWE-502
CPEs cpe:2.3:a:microsoft:dataverse:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft dataverse
References
Metrics cvssV3_1

{'score': 9.8, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:46 PM
Reserved
Sep 9, 2026, 9:53 PM
Status
Analyzed
Published
Oct 8, 2026, 11:17 PM
Modified
Oct 15, 2026, 6:38 PM