{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft 365 Apps for Enterprise","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Excel 2016","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.0.5561.1001","status":"affected","version":"16.0.0.0","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office 2019","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"19.0.0","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2021","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2024","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-62870","cwes":["CWE-416"],"description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","epss":{"date":"2026-11-10","percentile":0.5754,"score":0.00819},"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794350465215,"publishedAt":1785797883448,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62870"}],"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-2026-62870"}],"revision":"92625e28d9dc792993937d08845bd23813c5f6119c96122e74ada7daf5838b29","sources":[{"modifiedAt":1794350465215,"name":"CNA: microsoft","retrievedAt":1794353589331,"url":"https://www.cve.org/CVERecord?id=CVE-2026-62870"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353612427,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-62870"}],"ssvc":{"assessedAt":1785801600000,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","updatedAt":1794353612427}