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Vulnerability record · CVE-2023-21531 · published 10 January 2023
CVE-2023-21531: Microsoft azure service fabric improper access control vulnerability
Microsoft · Azure Service Fabric
Azure Service Fabric Container Elevation of Privilege Vulnerability
7.0 CVSS 3.1 High EPSS 0.61% · top 53.1% CWE-284 · Improper access controlCWE-269 · Improper privilege management
7.0CVSS 3.1 base score
0.61%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD
Description
Azure Service Fabric Container Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2023-21531 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2023-21531), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
