{"api_version":"1","generated_at":"2026-05-12T19:41:32+00:00","cve":"CVE-2026-42832","urls":{"html":"https://cve.report/CVE-2026-42832","api":"https://cve.report/api/cve/CVE-2026-42832.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-42832","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42832"},"summary":{"title":"Microsoft Office Spoofing Vulnerability","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","state":"PUBLISHED","assigner":"microsoft","published_at":"2026-05-12 18:17:25","updated_at":"2026-05-12 18:17:25"},"problem_types":["CWE-284","CWE-284 CWE-284: Improper Access Control"],"metrics":[{"version":"3.1","source":"secure@microsoft.com","type":"Primary","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","data":{"baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","version":"3.1"}}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832","name":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832","refsource":"secure@microsoft.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42832","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42832","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Microsoft","product":"Microsoft Excel for Android","version":"affected 16.0.0.0 16.0.19822.20190 custom","platforms":[]},{"source":"CNA","vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2021","version":"affected 16.0.1 16.109.26051019 custom","platforms":[]},{"source":"CNA","vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2024","version":"affected 16.0.0 16.109.26051019 custom","platforms":[]},{"source":"CNA","vendor":"Microsoft","product":"Microsoft Word for Android","version":"affected 16.0.0.0 16.0.19822.20190 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Microsoft Excel for Android","vendor":"Microsoft","versions":[{"lessThan":"16.0.19822.20190","status":"affected","version":"16.0.0.0","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2021","vendor":"Microsoft","versions":[{"lessThan":"16.109.26051019","status":"affected","version":"16.0.1","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2024","vendor":"Microsoft","versions":[{"lessThan":"16.109.26051019","status":"affected","version":"16.0.0","versionType":"custom"}]},{"product":"Microsoft Word for Android","vendor":"Microsoft","versions":[{"lessThan":"16.0.19822.20190","status":"affected","version":"16.0.0.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:*","versionEndExcluding":"16.0.19822.20190","versionStartIncluding":"16.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:*","versionEndExcluding":"16.0.19822.20190","versionStartIncluding":"16.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*","versionEndExcluding":"16.109.26051019","versionStartIncluding":"16.0.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*","versionEndExcluding":"16.109.26051019","versionStartIncluding":"16.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"datePublic":"2026-05-12T14:00:00.000Z","descriptions":[{"lang":"en-US","value":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally."}],"metrics":[{"cvssV3_1":{"baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T17:54:30.618Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"Microsoft Office Spoofing Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832"}],"title":"Microsoft Office Spoofing Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2026-42832","datePublished":"2026-05-12T16:59:34.810Z","dateReserved":"2026-04-30T14:51:12.703Z","dateUpdated":"2026-05-12T17:54:30.618Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-12 18:17:25","lastModifiedDate":"2026-05-12 18:17:25","problem_types":["CWE-284","CWE-284 CWE-284: Improper Access Control"],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.5,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"42832","Ordinal":"1","Title":"Microsoft Office Spoofing Vulnerability","CVE":"CVE-2026-42832","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"42832","Ordinal":"1","NoteData":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","Type":"Description","Title":"Microsoft Office Spoofing Vulnerability"}]}}}