Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-83947— Azure Event Grid Spoofing Vulnerability

Quick assessment

Affected
Microsoft Azure Event Grid System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Azure Event Grid 中存在缺少身份验证的漏洞，允许已授权的攻击者在网络上执行欺骗行为。

CVSS 7.7 · High

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-83947

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Azure Event Grid Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure Event Grid System - -

II. Public POCs for CVE-2026-83947

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-83947

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-83947 (1)

Same Patch Batch · Microsoft · 2026-10-08 · 7 CVEs total

CVE-2026-96207 10.0 CRITICAL Microsoft Partner Center Elevation of Privilege Vulnerability
CVE-2026-94510 9.9 CRITICAL Microsoft Bookings Elevation of Privilege Vulnerability
CVE-2026-77900 9.8 CRITICAL Azure App Service Remote Code Execution Vulnerability
CVE-2026-88131 9.8 CRITICAL Microsoft Dataverse Remote Code Execution Vulnerability
CVE-2026-69435 9.6 CRITICAL Azure SRE Agent Elevation of Privilege Vulnerability
CVE-2026-83943 8.7 HIGH Azure API Center Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Azure Event Grid System
Same vendor: Microsoft
Same weakness: CWE-862

V. Comments for CVE-2026-83947

No comments yet

Leave a comment