Critical severity · published Oct 22, 2026
CVE-2026-97785
AAD App Proxy Elevation of Privilege Vulnerability
New
10.0
CVSS
0.6%
EPSS
No
On KEV
Description
Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Microsoft Entra application proxy · Microsoft
All versions, or not specified · source: vendor
Affected product
ME
Microsoft Entra application proxy
Microsoft