{"id":"CVE-2026-97010","published":"2026-10-13T19:22:10.050","lastModified":"2026-10-15T21:19:26.960","description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-416"],"vendors":["microsoft"],"products":["365 apps","microsoft 365","office 2021","office 2024","office online server"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97010","tags":["Patch","Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Microsoft Office Excel allows remote attackers to execute arbitrary code when a malicious file is opened, potentially leading to full system compromise.","exploitability":"Exploitation requires user interaction via opening a malicious Excel file over a network, making it moderately difficult but achievable with social engineering.","blast_radius":"The vulnerability affects widely deployed Office applications across multiple versions, potentially enabling large-scale remote code execution across enterprise networks.","remediation":"Deploy the Microsoft Security Update KB5042819 for Excel 2021 and Office 2024, or upgrade to Microsoft 365 Apps for Enterprise version 2407 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","office","excel","remote"],"model":"garnet-coder","analyzedAt":"2026-10-18T10:19:29.752Z"}}