CVE-2026-45480

Name: CVE-2026-45480
Creator: NVD / NIST
Published: 2026-06-19T21:16:51.97+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 0.56%

Last modified Jun 24, 2026

CVE-2026-45480 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Microsoft	Azure Active Directory	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45480Vendor Advisory

Timeline

Published: Jun 19, 2026
Last Modified: Jun 24, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-45480?

Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.

How severe is CVE-2026-45480?

CVE-2026-45480 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2026-45480?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-45480?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST