{"id":"CVE-2026-111309","aliases":[],"cve":{"records":[{"id":"CVE-2026-111309","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-15T20:05:00.144Z","published":"2026-11-10T18:21:23.136Z","modified":"2026-11-13T18:10:05.978Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-13T18:10:05.978Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-10T20:40:15.760Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-111309","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-763","description":"CWE-763: Release of Invalid Pointer or Reference","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"16.0.14334.21048"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.0.17932.21140"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-10T20:34:45.429858Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Microsoft Office Outlook Remote Code Execution Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Release of invalid pointer or reference in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.","score":8.8,"severity":"high","published":"2026-11-10T18:21:23.136Z","modified":"2026-11-13T18:10:05.978Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft 365 Apps for Enterprise","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-111309"},{"vendor":"Microsoft","name":"Microsoft Office LTSC 2021","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","status":"affected","lessThan":"16.0.14334.21048","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-111309"},{"vendor":"Microsoft","name":"Microsoft Office LTSC 2024","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.17932.21140","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-111309"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-111309"],"sources":[{"name":"CVE","id":"CVE-2026-111309","modified":"2026-11-13T18:10:05.978Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-111309"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":8.8}],"sourceAffected":[],"observedAt":"2026-11-13T19:14:27.514Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:15:35.363Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-12T05:35:31.642Z","attemptedAt":"2026-11-12T05:35:31.642Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-12T05:35:32.289Z","attemptedAt":"2026-11-12T05:35:32.289Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-12T05:35:32.298Z","attemptedAt":"2026-11-12T05:35:32.298Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-12T05:35:32.296Z","attemptedAt":"2026-11-12T05:35:32.296Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-111309","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111309","modified":"2026-11-10T21:18:23.743","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-11-12T05:35:31.642Z"},{"source":"GitHub Advisory Database","id":"GHSA-hx84-9xj2-j35c","url":"https://github.com/advisories/GHSA-hx84-9xj2-j35c","modified":"2026-11-10T21:32:43Z","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-11-12T05:35:32.289Z"},{"source":"ENISA EUVD","id":"EUVD-2026-122200","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-122200","modified":"Nov 11, 2026, 5:16:49 PM","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","checkedAt":"2026-11-12T05:35:32.298Z"}],"aiSummary":{"text":"Microsoft Office Outlook has a weakness that may allow an attacker to execute code. Affected versions include 16.0.1 of Microsoft 365 Apps for Enterprise and Microsoft Office LTSC 2021 and 2024.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-10T20:56:08.701Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-111309"}]}}