P4Verified

CVE-2026-83947: Azure Event Grid System -

CVE-2026-83947 affects Azure Event Grid System. CVSS 3.1 base score 7.7 (Microsoft Security Response Center).

Affected technology

Azure Event Grid System · -
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authorized attacker can perform spoofing over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 7.7/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 2026-10-09 03:05:23.224982+00:00

CWE: CWE-862
Product: Azure Event Grid System
CCR priority: 30.8 /100 (P4)
CVSS 3.1: 7.7 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C · Microsoft Security Response Center
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 03:17:07.463462+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-09 03:05:01.156267+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-83947.html