{"id":"CVE-2026-83938","aliases":["EUVD-2026-108541","GHSA-2vxx-fgvw-2r33"],"status":"published","title":"Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00707,"percentile":0.53889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-10-22T21:44:42Z","modified":"2026-11-10T20:33:23Z","products":[{"vendor":"microsoft","product":"azure kubernetes configuration service"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83938","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83938"},{"url":"https://github.com/advisories/GHSA-2vxx-fgvw-2r33"}],"sources":{"cve":[{"id":"CVE-2026-83938","title":"Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-22T21:44:42.272Z","modified":"2026-11-10T20:33:23.508Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T22:18:29.471829Z"}],"euvd":[{"id":"EUVD-2026-108541","description":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-22T21:44:42Z","modified":"2026-11-10T20:33:23Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-2vxx-fgvw-2r33","title":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an...","description":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-23T00:33:11Z","modified":"2026-10-23T00:33:12Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:14:18.215402Z"}],"nvd":[{"id":"CVE-2026-83938","description":"Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-22T22:19:18.54Z","modified":"2026-10-26T11:16:38.43Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:13:02.724605Z"}]}}