Vulnerability in Microsoft Azure Event Grid

CVE-2025-59273

Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.

EPSS: 0.004 (28.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-59273?
CVE-2025-59273 is a high-severity vulnerability in Microsoft Azure Event Grid, classified under Improper Access Control. CVSS score: 7.3/10. Published 2025-10-23.
How severe is CVE-2025-59273?
High severity. CVSS v3 base score is 7.3 out of 10.