CVE-2026-77903Critical· 9.0▾ MidnightAuthentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 49.5 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 18.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
Last analysed / modified upstream
0.4% → 0.7%
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
dataverseRefer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-108131High· 7.5No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-105008Critical· 9.0No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-88131Critical· 9.8Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.
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