{"id":"CVE-2026-50515","aliases":["EUVD-2026-54324","GHSA-fm3h-q54v-rjrj"],"status":"published","title":"Azure Service Bus Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01694,"percentile":0.77431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-06T22:37:44Z","modified":"2026-11-10T21:57:10Z","products":[{"vendor":"microsoft","product":"azure service bus"},{"vendor":"microsoft","product":"azure_service_bus"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50515","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50515"},{"url":"https://github.com/advisories/GHSA-fm3h-q54v-rjrj"}],"sources":{"cve":[{"id":"CVE-2026-50515","title":"Azure Service Bus Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.","status":"published","published":"2026-08-06T22:37:44.894Z","modified":"2026-11-10T21:57:10.871Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-10T22:48:51.483784Z"}],"euvd":[{"id":"EUVD-2026-54324","description":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.","status":"published","published":"2026-08-06T22:37:44Z","modified":"2026-11-10T21:57:10Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T23:24:18.338578Z"}],"ghsa":[{"id":"GHSA-fm3h-q54v-rjrj","title":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute...","description":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.","status":"published","published":"2026-08-07T00:31:23Z","modified":"2026-08-07T00:31:28Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:11.041675Z"}],"nvd":[{"id":"CVE-2026-50515","description":"Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.","status":"published","published":"2026-08-07T00:16:31.14Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}