{"id":"CVE-2026-33819","title":"Microsoft Bing Remote Code Execution Vulnerability","summary":"Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.","severity":"critical","cvss":10,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-502"],"vendor":"Microsoft","product":"Microsoft Bing","affected":["bing -"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-04-24T00:00:00+00:00"},"published":"2026-04-23","updated":"2026-09-25","sourceUpdated":"2026-09-25T17:24:48.226Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-33819","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33819","label":"Microsoft Bing Remote Code Execution Vulnerability"}],"tags":["cve.org"],"epss":0.01532,"epssPercentile":0.73669,"ingestedAt":"2026-09-25T18:14:20.463Z","slug":"CVE-2026-33819","body":"## Overview\n\nDeserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `bing -`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}