Affects Azure AD, a widely used cloud identity service; critical privilege escalation risk with enterprise-wide potential.
CVE-2026-45480
Azure AD improper authentication allows privilege escalation.
Is CVE-2026-45480 being exploited?
Not confirmed. CVE-2026-45480 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.90% probability of exploitation in the next 30 days.
How severe is CVE-2026-45480?
CVE-2026-45480 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-45480?
Yes. A fix has been recorded for CVE-2026-45480. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45480 affect?
CVE-2026-45480 affects Azure Active Directory. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45480?
Apply patch when released; enforce MFA; monitor privileged sign-ins.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Privilege escalation in Azure AD via improper auth; attacker could gain elevated privileges and broader network access.
Patch when possible