{"id":"CVE-2026-118723","aliases":[],"cve":{"records":[{"id":"CVE-2026-118723","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T19:02:36.605Z","published":"2026-11-10T18:25:01.094Z","modified":"2026-11-13T18:13:41.843Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-13T18:13:41.843Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-10T19:38:38.590Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118723","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-822","description":"CWE-822: Untrusted Pointer Dereference","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"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"16.115.26110837"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.115.26110837"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"16.115.26110837"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*","versionStartIncluding":"16.0.0.0","versionEndExcluding":"16.0.10417.20236"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-10T19:32:04.971322Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Microsoft Office Excel Remote Code Execution Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","score":7.8,"severity":"high","published":"2026-11-10T18:25:01.094Z","modified":"2026-11-13T18:13:41.843Z","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-2026-118723"},{"vendor":"Microsoft","name":"Microsoft Office 365 for Mac","platforms":[],"versions":[{"version":"1.0.0","status":"affected","lessThan":"16.115.26110837","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"},{"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-2026-118723"},{"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-2026-118723"},{"vendor":"Microsoft","name":"Microsoft Office LTSC for Mac 2021","platforms":[],"versions":[{"version":"16.0.1","status":"affected","lessThan":"16.115.26110837","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"},{"vendor":"Microsoft","name":"Microsoft Office LTSC for Mac 2024","platforms":[],"versions":[{"version":"16.0.0","status":"affected","lessThan":"16.115.26110837","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"},{"vendor":"Microsoft","name":"Office Online Server","platforms":[],"versions":[{"version":"16.0.0.0","status":"affected","lessThan":"16.0.10417.20236","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118723"],"sources":[{"name":"CVE","id":"CVE-2026-118723","modified":"2026-11-13T18:13:41.843Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":7.8}],"sourceAffected":[],"observedAt":"2026-11-13T18:53:10.330Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:35:31.150Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-10T18:55:35.571Z","attemptedAt":"2026-11-10T18:55:35.571Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-10T18:55:34.432Z","attemptedAt":"2026-11-10T18:55:34.432Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-10T18:55:36.237Z","attemptedAt":"2026-11-10T18:55:36.237Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-10T18:55:35.392Z","attemptedAt":"2026-11-10T18:55:35.392Z"}],"evidence":[],"aiSummary":{"text":"Microsoft Office Excel has a weakness due to an untrusted pointer dereference, affecting versions like 16.0.1 of Microsoft 365 Apps for Enterprise and Microsoft Office LTSC 2021. An attacker may execute code locally.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-10T18:51:06.380Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118723"}]}}