{"id":"CVE-2026-40411","state":"PUBLISHED","title":"Azure Virtual Network Gateway Remote Code Execution Vulnerability","description":"Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network.","publishedAt":"2026-05-22T22:03:06.684Z","updatedAt":"2026-08-10T15:12:28.666Z","severity":{"score":9.9,"label":"Critical","version":"3.1","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","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Azure Virtual Network Gateway"],"affected":[{"vendor":"Microsoft","product":"Azure Virtual Network Gateway","versions":[{"version":"-","status":"affected"}]}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40411.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40411","state":"PUBLISHED","datePublished":"2026-05-22T22:03:06.684Z","dateUpdated":"2026-08-10T15:12:28.666Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2026-04-13T00:27:50.798Z"},"containers":{"cna":{"title":"Azure Virtual Network Gateway Remote Code Execution Vulnerability","descriptions":[{"lang":"en-US","value":"Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network."}],"affected":[{"vendor":"Microsoft","product":"Azure Virtual Network Gateway","versions":[{"version":"-","status":"affected"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411","name":"Azure Virtual Network Gateway Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"CRITICAL","baseScore":9.9,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2026-08-10T15:12:28.666Z"},"datePublic":"2026-05-21T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:azure_virtual_network_gateway:*:*:*:*:*:*:*:*","versionStartIncluding":"-"}]}]}],"tags":["exclusively-hosted-service"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T10:36:48.494968Z","id":"CVE-2026-40411","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T10:55:58.372Z"}}]}}}