{"id":"CVE-2026-45498","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-45498","summary":"Microsoft Defender Denial of Service Vulnerability","details":"Microsoft Defender Denial of Service Vulnerability","published":"2026-05-20T13:16:36.780","modified":"2026-07-23T12:10:00.110","cvss":{"score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.63076,"percentile":0.99147,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45498"},{"type":"ADVISORY","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45498"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-07-23T12:10:00.110"}}