{"id":"CVE-2021-34448","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-34448","summary":"Scripting Engine Memory Corruption Vulnerability","details":"Scripting Engine Memory Corruption Vulnerability","published":"2021-07-16T21:15:09.580","modified":"2026-08-10T19:58:48.893","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},"epss":{"score":0.40062,"percentile":0.98525,"asOf":"2026-08-27"},"cisaKev":{"dateAdded":"2021-11-03","dueDate":"2021-11-17","knownRansomwareCampaignUse":false},"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34448"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34448"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34448"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-08-10T19:58:48.893"}}