CVE-2026-62916 Microsoft Entra ID Elevation of Privilege Vulnerability

Critical 9.1 Published 3 Sep 2026 Updated 26 Oct 2026

An attacker can bypass authentication via an alternate path to elevate privileges in Microsoft Entra ID.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-62916?

CVE-2026-62916 is a critical authentication bypass vulnerability in Microsoft Entra, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Authentication bypass using an alternate path or channel in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Weakness: CWE-288

Which versions are affected by CVE-2026-62916?

It affects 1 product.

Products include Microsoft Entra Id.

How do I fix CVE-2026-62916?

No fix has been published for CVE-2026-62916 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-62916 being exploited?

There is no known exploitation of CVE-2026-62916 in the wild and no public exploit code.

Sources

Also known as GHSA-77pq-762c-pm6c.