{"id":"CVE-2026-88109","revision":"7131471a0e9b44a6807c365657265062","records":[{"revision":"7131471a0e9b44a6807c365657265062","observedAt":"2026-10-23T23:48:20.643+00:00","statement":{"source":"cve-program","id":"CVE-2026-88109","aliases":[],"title":"Microsoft Office Click-To-Run Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.","state":0,"publishedAt":"2026-10-13T19:01:05.688+00:00","modifiedAt":"2026-10-23T22:29:10.342+00:00","affected":[{"ecosystem":"Vendor product","name":"Microsoft 365 Apps for Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft 365 Apps for Enterprise\",\n                    \"platforms\": [\n                        \"32-bit Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.1\",\n                            \"lessThan\": \"https://aka.ms/OfficeSecurityReleases\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Office LTSC 2021","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Office LTSC 2021\",\n                    \"platforms\": [\n                        \"32-bit Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.1\",\n                            \"lessThan\": \"16.0.14334.20974\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Office LTSC 2024","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Office LTSC 2024\",\n                    \"platforms\": [\n                        \"32-bit Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.0\",\n                            \"lessThan\": \"16.0.17932.21056\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":7.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88109"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88109","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-88109","identifiers":["CVE-2026-88109"]},"retained":false,"historicalAffected":[]}],"coverage":[]}