VulnerabilityAnalyzed
CVE-2026-42901
Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
CRITICAL 10.0EPSS 0.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- microsoft/entra id
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.