Improper Authentication in AAD App Proxy by Microsoft
CVE-2026-97785

10CRITICAL

Key Information:

Vendor

Microsoft
Status
Microsoft Entra Application Proxy
Vendor
CVE Published:
22 October 2026

What is CVE-2026-97785?

A vulnerability in AAD App Proxy could allow unauthorized users to elevate their privileges over a network due to improper authentication mechanisms. This flaw may enable attackers to gain elevated access, potentially leading to unauthorized actions, data breaches, or system compromises. Organizations using AAD App Proxy should assess their security posture and apply relevant patches to mitigate the risk associated with this vulnerability.

Affected Version(s)

Microsoft Entra application proxy -

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.