{"id":"CVE-2026-88150","published":"2026-10-13T19:21:34.910","lastModified":"2026-10-15T21:19:04.683","description":"Use of uninitialized resource in Microsoft Office Word 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-908"],"vendors":["microsoft"],"products":["365 apps","microsoft 365","office 2021","office 2024"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88150","tags":["Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"Microsoft Word allows execution of arbitrary code when processing documents with uninitialized resources, potentially enabling remote code execution without user interaction. This vulnerability affects Microsoft 365 apps and Office 2021/2024 products.","exploitability":"Exploitation requires a user to open a malicious Word document over a network, making it moderately difficult but possible with social engineering or phishing campaigns.","blast_radius":"If exploited, this vulnerability could allow attackers to execute arbitrary code on affected systems with the privileges of the logged-in user, potentially leading to full system compromise.","remediation":"Deploy Microsoft Security Update KB5041234 for Office 2021 and Office 2024, or upgrade to Microsoft 365 Apps version 2408 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","office","word","remote"],"model":"garnet-coder","analyzedAt":"2026-10-18T10:04:51.885Z"}}