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Version information is not enumerated beyond the product families, but any installation of these products is potentially susceptible.", "description_and_impact": "A use\u2011after\u2011free flaw in Microsoft Office Excel enables an attacker to run arbitrary code on the victim\u2019s machine. The vulnerability can be triggered by opening a specially crafted document, allowing the attacker to gain full control over the device and compromise confidentiality, integrity, and availability. It is classified as CWE\u2011416, a use\u2011after\u2011free weakness.", "risk_and_exploitability": "The CVSS score of 7.8 indicates a high severity, and while an EPSS score is not provided, the vulnerability is not listed in CISA\u2019s KEV catalog. Exploitation requires delivery of a malicious file and user action to open it, so the attack vector is likely user\u2011initiated. Given the local impact and high severity, the risk to enterprises remains significant."}}}}, "created": "2026-04-15T14:31:56.913375+00:00", "updated": "2026-04-15T14:45:03.385156+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$365_apps", "microsoft$PRODUCT$excel_2016", "microsoft$PRODUCT$office_2019", "microsoft$PRODUCT$office_2021", "microsoft$PRODUCT$office_2024", "microsoft$PRODUCT$office_macos_2021", "microsoft$PRODUCT$office_macos_2024", "microsoft$PRODUCT$office_online_server"]}