{"id":"CVE-2026-88178","published":"2026-10-13T19:21:38.557","lastModified":"2026-10-15T21:19:07.190","description":"Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-416"],"vendors":["microsoft"],"products":["365 apps","microsoft 365","office 2021","office 2024"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88178","tags":["Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Microsoft Office PowerPoint allows remote attackers to execute arbitrary code when a malicious file is opened. This critical flaw enables unauthorized code execution with high impact across all Windows systems running PowerPoint.","exploitability":"Exploitation requires a user to open a specially crafted PowerPoint file, making it moderately difficult but achievable through social engineering or phishing campaigns.","blast_radius":"The vulnerability affects all Windows users who have PowerPoint installed, creating a massive potential attack surface with widespread impact across enterprise and consumer environments.","remediation":"Deploy Microsoft Security Update MS26-058 immediately to address this critical vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","office","remote","windows"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:50:56.484Z"}}