{"id":"CVE-2025-64657","aliases":["EUVD-2025-199683","GHSA-w337-cfcg-vpqj"],"status":"published","title":"Azure Application Gateway Elevation of Privilege Vulnerability","description":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.","severity":{"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/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00666,"percentile":0.52108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2025-11-26T00:20:52Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"microsoft","product":"azure app gateway"},{"vendor":"microsoft","product":"azure_application_gateway"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64657","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64657"},{"url":"https://github.com/advisories/GHSA-w337-cfcg-vpqj"}],"sources":{"cve":[{"id":"CVE-2025-64657","title":"Azure Application Gateway Elevation of Privilege Vulnerability","description":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-11-26T00:20:52.352Z","modified":"2026-02-26T16:07:28.437Z","cvss":[{"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/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-199683","description":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-11-26T00:20:52Z","modified":"2026-02-26T16:07:28Z","cvss":[{"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/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T19:48:25.997368Z"}],"ghsa":[{"id":"GHSA-w337-cfcg-vpqj","title":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to...","description":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-11-26T03:30:20Z","modified":"2025-12-08T15:30:31Z","cvss":[{"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"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T15:05:05.469565Z"}],"nvd":[{"id":"CVE-2025-64657","description":"Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-11-26T01:16:07.747Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"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":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:46.94029Z"}]}}