CVE-2026-77903: critical vulnerability in Microsoft Dataverse
Microsoft Dataverse Elevation of Privilege Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9epss 0.4%
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft DataverseRelated CVEs — Microsoft Dataverse
In the same product, most dangerous first.
CVE-2025-47732HIGHMicrosoft Dataverse Remote Code Execution VulnerabilityEPSS 3.7%CVE-2025-29807HIGHMicrosoft Dataverse Remote Code Execution VulnerabilityEPSS 1.4%CVE-2026-88131CRITICALMicrosoft Dataverse Remote Code Execution VulnerabilityEPSS 1.2%CVE-2025-29826HIGHMicrosoft Dataverse Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2025-24053HIGHMicrosoft Dataverse Elevation of Privilege VulnerabilityEPSS 0.8%CVE-2024-38139HIGHMicrosoft Dataverse Elevation of Privilege VulnerabilityEPSS 0.8%