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CVE-2026-83943— Azure API Center Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Azure API Center
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 API Center 中存在敏感信息泄露风险，未经授权的攻击者可通过网络途径非法获取并披露敏感信息。 （翻译说明： 1. "Exposure of sensitive information to an unauthorized actor" 译为"敏感信息泄露风险"，符合中文网络安全领域表述习惯 2. "allows an unauthorized attacker to disclose information over a network" 转化为"可通过网络途径非法获取并披露敏感信息"，强化了网

CVSS 8.7 · High

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-83943

Vulnerability Information
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Vulnerability Title
Azure API Center Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure API Center - -

II. Public POCs for CVE-2026-83943

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III. Intelligence Information for CVE-2026-83943

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Other References for CVE-2026-83943 (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-2026-88131 9.8 CRITICAL Microsoft Dataverse Remote Code Execution Vulnerability
CVE-2026-77900 9.8 CRITICAL Azure App Service Remote Code Execution Vulnerability
CVE-2026-69435 9.6 CRITICAL Azure SRE Agent Elevation of Privilege Vulnerability
CVE-2026-83947 7.7 HIGH Azure Event Grid Spoofing Vulnerability

IV. Related Vulnerabilities

Same vendor: Microsoft

V. Comments for CVE-2026-83943

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