{"id":"CVE-2026-83856","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-83856","summary":"Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.","details":"Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.","published":"2026-10-13T19:20:34.643","modified":"2026-10-21T15:38:53.340","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83856"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T15:38:53.340"}}