Vulnerability · 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 · catalog updated Oct 14, 2026 · Microsoft Azure API Center
Check if you run it
No confirmed exploitation is on record for CVE-2026-83943. EPSS is 0.38%. Act only if a listed version of Microsoft Azure API Center is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.38%
- Remediation
- Advisory link
- Affected products
- vendor Microsoft Azure API Center
Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Microsoft Azure API Centerversion unspecified
How to fix CVE-2026-83943
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-83943. EPSS is 0.38%. Act only if a listed version of Microsoft Azure API Center is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
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.
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
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.