{"id":"CVE-2026-102849","published":"2026-10-13T19:17:49.170","lastModified":"2026-10-15T16:04:36.047","description":"Heap-based buffer overflow in Microsoft Office Access 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-122"],"vendors":["microsoft"],"products":["365 apps","office 2021","office 2024"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102849","tags":["Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Microsoft Office Access allows remote attackers to execute arbitrary code when processing malicious files, potentially leading to full system compromise.","exploitability":"Exploitation requires a user to open a specially crafted malicious file, making it moderately difficult but achievable through social engineering or phishing campaigns.","blast_radius":"If exploited, this vulnerability could affect thousands of users running Office Access across enterprise networks, particularly those who frequently open email attachments or documents from untrusted sources.","remediation":"Deploy the Microsoft Office 2021 Security Update KB5043698 or Office 2024 Security Update KB5043700 immediately to all affected systems.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","office","buffer-overflow","remote"],"model":"garnet-coder","analyzedAt":"2026-10-17T08:52:16.951Z"}}