Description
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Published: 2026-10-08
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: Information Disclosure
Action: Apply Patch
AI Analysis

Impact

The vulnerability in Azure API Center exposes sensitive internal information to unauthorized actors, permitting disclosure of confidential configuration or other protected data across the network. This results in a loss of confidentiality and may enable attackers to gather information that could aid further attacks. The weakness is a classic information exposure flaw, aligned with CWE‑200.

Affected Systems

Microsoft Azure API Center is the sole affected product. No version details are provided, so any deployment of Azure API Center may be vulnerable at the time of the advisory.

Risk and Exploitability

The CVSS score of 8.7 indicates a high severity rating. Exposure is over the network, implying that an attacker with network access to the API Center endpoints can exploit the flaw, though authentication requirements are not specified. The EPSS score is not available, and the vulnerability is not listed in CISA KEV, meaning no known active exploitation has been reported yet. Nonetheless, the high CVSS warrants urgent attention.

Generated by OpenCVE AI on October 8, 2026 at 23:40 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Azure API Center patch or update released by Microsoft.
  • Limit network access to the Azure API Center by configuring Azure Firewall or Network Security Groups so that only trusted networks can reach the service.
  • Review and tighten API Center permissions, ensuring that only required identities have access to configuration data and enable diagnostic logging to detect potential disclosure attempts.

Generated by OpenCVE AI on October 8, 2026 at 23:40 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 09 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 09 Oct 2026 00:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Thu, 08 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Description Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Title Azure API Center Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft azure Api Center
CPEs cpe:2.3:a:microsoft:azure_api_center:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Api Center
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Azure Api Center
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-31T18:12:57.940Z

Reserved: 2026-08-31T23:40:59.641Z

Link: CVE-2026-83943

cve-icon Vulnrichment

Updated: 2026-10-09T14:42:04.545Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-08T23:17:04.267

Modified: 2026-10-31T17:18:45.023

Link: CVE-2026-83943

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T08:02:29Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor