What is CVE-2026-97785?

CVE-2026-97785 is a critical-severity vulnerability in Microsoft Entra Application Proxy, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-10-22.

How severe is CVE-2026-97785?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Microsoft Entra Application Proxy

CVE-2026-97785

Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.

Vulnerability class: Broken Authentication

Published 2026-10-22 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Entra Application Proxy

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

AAD App Proxy Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-97785?: CVE-2026-97785 is a critical-severity vulnerability in Microsoft Entra Application Proxy, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-10-22.
How severe is CVE-2026-97785?: Critical severity. CVSS v3 base score is 10.0 out of 10.