CVE-2026-83943
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Published Oct 8, 2026 · corrected/updated Oct 14, 2026 · Microsoft Azure API Center · evidence confidence high
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-83943 is a high public vulnerability record for Microsoft Azure API Center. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether Microsoft Azure API Center is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Azure API Center. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 8.7, EPSS 0.4%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-200. Sources contributing to this record: circl, cve_org, epss, ncsc_nl. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 8, 2026 · NIST NVD
Detected
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Oct 14, 2026 · NIST NVD
Updated
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Affected
- vendor Microsoft Azure API Centerversion unspecified
Sources
- CIRCL Vulnerability LookupVulnerability recordCVE-2026-83943
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
vulnerability.circl.lu - CVE.orgVulnerability recordCVE-2026-83943
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-83943
30-day exploitation probability 0.4%
first.org - NCSC NetherlandsGovernment advisoryCVE-2026-83943
Microsoft heeft kwetsbaarheden verholpen in diverse Azure componenten, zoals Key Vault, DevOps, API center en Storage. Een kwaadwillende kan de kwetsbaarheden misbruiken om beveiligingsmaatregelen te omzeilen, zich verhoogde rechten toe te kennen, willekeurige code uit te voeren
advisories.ncsc.nl - NIST NVDVulnerability recordCVE-2026-83943
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
nvd.nist.gov