{"id":"CVE-2025-59273","aliases":["EUVD-2025-35745","GHSA-5wpc-p9f6-h8mw"],"status":"published","title":"Azure Event Grid System Elevation of Privilege Vulnerability","description":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0038,"percentile":0.32372,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2025-10-23T21:17:49Z","modified":"2026-10-08T11:10:00Z","products":[{"vendor":"microsoft","product":"azure event grid system"},{"vendor":"microsoft","product":"azure_event_grid"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59273","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59273"},{"url":"https://github.com/advisories/GHSA-5wpc-p9f6-h8mw"}],"sources":{"cve":[{"id":"CVE-2025-59273","title":"Azure Event Grid System Elevation of Privilege Vulnerability","description":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-10-23T21:17:49.064Z","modified":"2026-02-26T16:57:09.028Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:32:47.812946Z"}],"euvd":[{"id":"EUVD-2025-35745","description":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-10-23T21:17:49Z","modified":"2026-02-26T16:57:09Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:25.204929Z"}],"ghsa":[{"id":"GHSA-5wpc-p9f6-h8mw","title":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges...","description":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-10-24T00:30:52Z","modified":"2025-10-24T00:30:58Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:04:12.076397Z"}],"nvd":[{"id":"CVE-2025-59273","description":"Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-10-23T22:15:47.1Z","modified":"2026-10-08T11:10:00.25Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:11:39.579859Z"}]}}