{"affected":[{"product":"Microsoft Edge (Chromium-based)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"150.0.4078.48","status":"affected","version":"1.0.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-58299","cwes":["CWE-367"],"description":"Time-of-check time-of-use (toctou) race condition in Microsoft Edge for Android allows an unauthorized attacker to execute code over a network.","epss":{"date":"2026-11-10","percentile":0.40669,"score":0.00466},"exploits":[],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"CNA: microsoft","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794350431335,"publishedAt":1783110916879,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58299"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58299"}],"revision":"5b95f0a77828f14e7283be7a0b4d6f2d90b9d84173e4c85c7284926ae91b14e1","sources":[{"modifiedAt":1794350431335,"name":"CNA: microsoft","retrievedAt":1794353269846,"url":"https://www.cve.org/CVERecord?id=CVE-2026-58299"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353276938,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-58299"}],"ssvc":{"assessedAt":1783296000000,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Microsoft Edge for Android Remote Code Execution Vulnerability","updatedAt":1794353276938}