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HIGH

CVE-2026-83947

CVSS v3

7.7

HIGH

EPSS Score

—

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Published
2026-10-08
Last Modified
2026-10-09

Frequently asked questions

What is CVE-2026-83947?

Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.

Is CVE-2026-83947 actively exploited?

Active exploitation of CVE-2026-83947 has not been confirmed.

What is the CVSS score for CVE-2026-83947?

CVE-2026-83947 has a CVSS v3 base score of 7.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Is CVE-2026-83947 affecting your environment?

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