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CVE WatchOct 15, 2026

CVE-2026-83947

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

CVSS

7.7

High

EPSS

0.5%

p45

KEV

—

Exploit Today

13

0-100

Published: Oct 8, 2026 · Last modified: Oct 15, 2026 · CWE-862

EPSS · 30d

0.4%EPSS · 30 days0.5%

2026-10-092026-11-05

Technical description

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

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83947

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