{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58281","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-06-29T21:59:30.870Z","datePublished":"2026-07-11T20:55:40.750Z","dateUpdated":"2026-07-12T19:05:00.984Z"},"containers":{"cna":{"title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","datePublic":"2026-07-11T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0.0","versionEndExcluding":"150.0.4078.48"}]}]}],"affected":[{"vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","versions":[{"version":"1.0.0.0","lessThan":"150.0.4078.48","versionType":"custom","status":"affected"}]}],"descriptions":[{"value":"Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-502: Deserialization of Untrusted Data","lang":"en-US","type":"CWE","cweId":"CWE-502"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-07-12T19:05:00.984Z"},"references":[{"name":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58281"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":8.3,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}}}