# CVE-2026-109469

Authorization bypass in Microsoft Entra Device Registration enabling privilege escalation.

- Page: https://www.vulneraibility.com/cve/CVE-2026-109469
- CVSS: 10.0
- Known exploited: not in CISA KEV as of our last sync
- Weakness: CWE-639
- Published: 2026-11-06

## Affected

- Microsoft Entra (Azure AD) Device Registration
- Entra ID device registration services

## Impact

User-controlled key allows auth bypass and privilege escalation: attackers can impersonate devices/users, gain elevated access, and perform lateral movement or admin takeover.

## Action

Immediate action required

## Recommendation

Install Microsoft security update now; revoke suspicious device registrations and monitor device/sign-in logs.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109469

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.