{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft 365 Apps for Enterprise","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"product":"Microsoft Office 365 for Mac","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.115.26110837","status":"affected","version":"1.0.0","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2021","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.0.14334.21048","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2024","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.0.17932.21140","status":"affected","version":"16.0.0","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2021","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.115.26110837","status":"affected","version":"16.0.1","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2024","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.115.26110837","status":"affected","version":"16.0.0","versionType":"custom"}]},{"product":"Office Online Server","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"16.0.10417.20236","status":"affected","version":"16.0.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-118728","cwes":["CWE-125"],"description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"CNA: microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","version":"3.1"},{"score":6.5,"severity":"medium","source":"NVD: secure@microsoft.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794397915076,"publishedAt":1794335103932,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118728"},{"source":"secure@microsoft.com","tags":[],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118728"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118728"}],"revision":"4aa15c984c961a16e6722e2d5b076a96950a5b6eb2b0d3ed7cdc84f713c79d1d","sources":[{"modifiedAt":1794397915076,"name":"CNA: microsoft","retrievedAt":1794399844764,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118728"},{"modifiedAt":1794341904003,"name":"NVD","retrievedAt":1794356780204,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118728"}],"ssvc":{"assessedAt":1794339063979,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Microsoft Office Excel Information Disclosure Vulnerability","updatedAt":1794399844764}