{"id":"CVE-2025-62554","title":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","summary":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-843"],"vendor":"microsoft","product":"365_apps","affected":["365_apps","365_copilot","office = 2016","office = 2019","office_long_term_servicing_channel = 2021","office_long_term_servicing_channel = 2024"],"published":"2025-12-09","updated":"2026-09-30","sourceUpdated":"2026-09-30T20:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-62554","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62554","label":"secure@microsoft.com"}],"tags":["nvd"],"epss":0.00434,"epssPercentile":0.3535,"ingestedAt":"2026-09-30T20:23:19.449Z","slug":"CVE-2025-62554","body":"## Overview\n\nAccess of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.\n\n## Affected\n\n- `365_apps`\n- `365_copilot`\n- `office = 2016`\n- `office = 2019`\n- `office_long_term_servicing_channel = 2021`\n- `office_long_term_servicing_channel = 2024`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}