{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Microsoft Excel 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Excel 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC 2024 pour \u00e9ditions 64 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Outlook 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC 2021 pour \u00e9ditions 32 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office 2019 pour \u00e9ditions 32 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft 365 Apps pour Enterprise pour syst\u00e8mes 32 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office 2019 pour \u00e9ditions 64 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC 2024 pour \u00e9ditions 32 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Outlook 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Word 2016 (\u00e9dition 32 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Word 2016 (\u00e9dition 64 bits) versions ant\u00e9rieures \u00e0 16.0.5539.1002","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC 2021 pour \u00e9ditions 64 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC pour Mac 2021 versions ant\u00e9rieures \u00e0 16.106.26020821","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft 365 Apps pour Enterprise pour syst\u00e8mes 64 bits","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Microsoft Office LTSC pour Mac 2024 versions ant\u00e9rieures \u00e0 16.106.26020821","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}},{"description":"Office Online Server versions ant\u00e9rieures \u00e0 16.0.10417.20097","product":{"name":"N/A","vendor":{"name":"Microsoft","scada":false}}}],"affected_systems_content":null,"content":"## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l'\u00e9diteur pour l'obtention des correctifs (cf. section Documentation).","cves":[{"name":"CVE-2026-21514","url":"https://www.cve.org/CVERecord?id=CVE-2026-21514"},{"name":"CVE-2026-21258","url":"https://www.cve.org/CVERecord?id=CVE-2026-21258"},{"name":"CVE-2026-21260","url":"https://www.cve.org/CVERecord?id=CVE-2026-21260"},{"name":"CVE-2026-21259","url":"https://www.cve.org/CVERecord?id=CVE-2026-21259"},{"name":"CVE-2026-21511","url":"https://www.cve.org/CVERecord?id=CVE-2026-21511"},{"name":"CVE-2026-21261","url":"https://www.cve.org/CVERecord?id=CVE-2026-21261"}],"links":[],"reference":"CERTFR-2026-AVI-0149","revisions":[{"description":"Version initiale","revision_date":"2026-02-11T00:00:00.000000"}],"risks":[{"description":"Contournement de la politique de s\u00e9curit\u00e9"},{"description":"Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"},{"description":"\u00c9l\u00e9vation de privil\u00e8ges"}],"summary":"De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft Office. Elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.\n\nMicrosoft indique que la vuln\u00e9rabilit\u00e9 CVE-2026-21514 est activement exploit\u00e9e.","title":"Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Office","vendor_advisories":[{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21259","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21259"},{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21261","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21261"},{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21258","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21258"},{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21514","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514"},{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21260","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21260"},{"published_at":"2026-02-10","title":"Bulletin de s\u00e9curit\u00e9 Microsoft Office CVE-2026-21511","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21511"}]}