{"id":"CVE-2025-49706","aliases":[],"url":"https://o3.security/vulnerability/CVE-2025-49706","summary":"Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.","details":"Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.","published":"2025-07-08T17:15:58.250","modified":"2026-08-04T05:16:34.723","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},"epss":{"score":0.99865,"percentile":0.99961,"asOf":"2026-08-27"},"cisaKev":{"dateAdded":"2025-07-22","dueDate":"2025-07-23","knownRansomwareCampaignUse":true},"exploitsKnown":1,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706"},{"type":"ADVISORY","url":"https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-08-04T05:16:34.723"}}