# CVE-2026-97785: Microsoft Azure AD App Proxy authentication bypass

Source: https://junglewise.ai/threats/cve-2026-97785-improper-authentication-in-aad-app-proxy-allows-an-unauthorized  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-22. Updated: 2026-10-22  
License: CC BY 4.0 with a link back

CVE-2026-97785 · Severity: critical · CVSS 10 · Published 2026-10-22

Azure AD App Proxy is a Microsoft cloud service that enables secure remote access to on-premises applications. A critical authentication weakness allows attackers to bypass authentication controls and gain unauthorized administrative access to protected applications without valid credentials, potentially exposing sensitive corporate data and systems.

Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-97785 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-97785 being exploited in the wild.

**How severe is CVE-2026-97785?** Critical severity, with a CVSS score of 10, published 22 October 2026.

**Which products and versions are affected?** Microsoft Azure AD App Proxy.

**Is there a fix for CVE-2026-97785?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-97785 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-97785?** Check whether you run Microsoft Azure AD App Proxy. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An improper authentication vulnerability in Azure AD App Proxy allows remote, unauthenticated attackers to escalate privileges through a network-based attack vector. The flaw permits unauthorized access that grants attacker-controlled privilege elevation over systems protected by the App Proxy, likely through manipulation of authentication tokens or authentication flow bypass.

## Affected products

- Microsoft Azure AD App Proxy

## Timeline

- 2026-10-22: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97785](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97785)