{"id":"CVE-2026-97752","published":"2026-10-13T19:22:12.707","lastModified":"2026-10-15T21:19:29.160","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-2026-97752","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. This occurs when the application accesses memory after it has been freed, potentially leading to remote code execution.","exploitability":"Exploitation requires user interaction via opening a malicious Excel file, making it moderately difficult but achievable through social engineering or phishing campaigns.","blast_radius":"If exploited, this vulnerability could allow attackers to execute code on affected systems with the privileges of the user who opened the malicious file, potentially leading to full system compromise.","remediation":"Deploy Microsoft Security Update KB5042817 for Office 2021 and Office 2024, or upgrade to Microsoft 365 Apps for Enterprise version 2408 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","office","excel","remote"],"model":"garnet-coder","analyzedAt":"2026-10-18T10:20:42.654Z"}}