by Kastro
Paper/Archive/CVE-2025-59273

CVE-2025-59273

Microsoft Azure Event Grid System — Azure Event Grid System Elevation of Privilege Vulnerability

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 31.9.319 × 206.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Azure Event Grid System-–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoft (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2025-59273