{"id":"CVE-2026-64918","aliases":[],"cve":{"records":[{"id":"CVE-2026-64918","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-07-20T20:25:40.976Z","published":"2026-09-08T17:16:53.178Z","modified":"2026-10-30T21:55:15.425Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T21:55:15.425Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-09T16:07:45.918Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64918","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-522","description":"CWE-522: Insufficiently Protected Credentials","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"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":"2026-09-09T15:14:15.310825Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Microsoft Office Spoofing Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.","score":6.5,"severity":"medium","published":"2026-09-08T17:16:53.178Z","modified":"2026-10-30T21:55:15.425Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft 365 Apps for Enterprise","platforms":["32-bit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-2026-64918"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64918"],"sources":[{"name":"CVE","id":"CVE-2026-64918","modified":"2026-10-30T21:55:15.425Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-64918"}],"assessments":[{"source":"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","score":6.5}],"sourceAffected":[],"observedAt":"2026-10-30T22:48:54.643Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:10:30.844Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-31T07:40:33.949Z","attemptedAt":"2026-10-31T07:40:33.949Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-31T07:40:35.031Z","attemptedAt":"2026-10-31T07:40:35.031Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-31T07:40:34.799Z","attemptedAt":"2026-10-31T07:40:34.799Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-31T07:40:33.869Z","attemptedAt":"2026-10-31T07:40:33.869Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-64918","url":"https://www.first.org/epss/","probability":0.00874,"percentile":0.58903,"date":"2026-10-30","checkedAt":"2026-10-31T07:40:33.869Z"},{"source":"NVD","id":"CVE-2026-64918","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64918","modified":"2026-10-30T22:16:59.107","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-31T07:40:33.949Z"},{"source":"ENISA EUVD","id":"EUVD-2026-73643","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73643","modified":"Oct 30, 2026, 9:55:15 PM","score":6.5,"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","checkedAt":"2026-10-31T07:40:34.799Z"},{"source":"GitHub Advisory Database","id":"GHSA-x5mf-hm8f-322c","url":"https://github.com/advisories/GHSA-x5mf-hm8f-322c","modified":"2026-09-08T18:32:08Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-31T07:40:35.031Z"}],"aiSummary":{"text":"Microsoft Office 365 Apps for Enterprise version 16.0.1 has insufficiently protected credentials, allowing an attacker to perform spoofing over a network. The vulnerability requires an attacker to have network access. The impact is spoofing.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T01:41:02.911Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-64918"}]}}