CVE-2026-45480
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CSIRTS triage
- What
- Improper authentication allows unauthorized privilege elevation over a network.
- Who is affected
- Users of Azure Active Directory.
- Urgency
- Remediation is critical due to the high severity and potential for exploitation.
- Action
- Apply the security update to Azure Active Directory.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalCVE-2026-45480: Azure Active Directory Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-45480)