CVE-2026-83943: Information Disclosure in Microsoft Azure API Center
Description
CVE-2026-83943 is a high-severity information disclosure vulnerability in Microsoft Azure API Center. It allows unauthorized actors to access sensitive information over a network. The vulnerability has a CVSS score of 8.7, indicating a significant impact on confidentiality and integrity. Microsoft has issued an official fix for this cloud service vulnerability.
CVSS v3.1
Score 8.7high
Affected software
Microsoft
Azure API Center
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83943 is an information disclosure vulnerability affecting Microsoft Azure API Center. It enables unauthorized attackers to disclose sensitive information over a network without privileges or user interaction. The vulnerability is rated high severity with a CVSS 3.1 score of 8.7, reflecting high impact on confidentiality and integrity. Microsoft has released an official fix and manages remediation for this cloud-hosted service.
Potential Impact
An unauthorized attacker can disclose sensitive information over the network, potentially compromising confidentiality and integrity of data within Azure API Center. There is no indication of impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As this is a cloud service, Microsoft manages the remediation server-side. Users should follow the guidance in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83943 to ensure their environment is protected.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-31T23:40:59.641Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83943","vendor":"Microsoft"}]
Threat ID: 6ac81a602cdf04f6563e4d05
Added to database: 10/08/2026, 22:34:08 UTC
Last enriched: 10/08/2026, 22:48:28 UTC
Last updated: 10/08/2026, 22:49:04 UTC
Views: 11
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