{"id":"CVE-2026-62882","title":"Microsoft Outlook Spoofing Vulnerability","summary":"Insufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-522"],"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","affected":["365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleases","office_2019 >= 19.0.0 < https://aka.ms/OfficeSecurityReleases","office_ltsc_2021 >= 16.0.1 < https://aka.ms/OfficeSecurityReleases","office_ltsc_2024 >= 16.0.0 < https://aka.ms/OfficeSecurityReleases","outlook_2016 >= 16.0.0.0 < 16.0.5565.1000"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-12T15:59:13.911178Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:26:20.867Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-62882","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62882","label":"Microsoft Outlook Spoofing Vulnerability"}],"tags":["cve.org"],"epss":0.00617,"epssPercentile":0.47907,"ingestedAt":"2026-09-08T18:07:34.889Z","slug":"CVE-2026-62882","body":"## Overview\n\nInsufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleases`\n- `office_2019 >= 19.0.0 < https://aka.ms/OfficeSecurityReleases`\n- `office_ltsc_2021 >= 16.0.1 < https://aka.ms/OfficeSecurityReleases`\n- `office_ltsc_2024 >= 16.0.0 < https://aka.ms/OfficeSecurityReleases`\n- `outlook_2016 >= 16.0.0.0 < 16.0.5565.1000`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}