CVE-2026-45480 Azure Active Directory Elevation of Privilege Vulnerability
An attacker can exploit improper authentication in Azure Active Directory to elevate privileges over the network.
- 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-2026-45480?
CVE-2026-45480 is a critical authentication bypass vulnerability in Microsoft Azure Active Directory, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
Weakness: CWE-287
Which versions are affected by CVE-2026-45480?
It affects 1 product.
Products include Microsoft Azure Active Directory.
How do I fix CVE-2026-45480?
No fix has been published for CVE-2026-45480 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-2026-45480 being exploited?
There is no known exploitation of CVE-2026-45480 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Active Directory
Sources
Also known as GHSA-rfvj-frr3-5qvh.