{"id":"CVE-2025-55243","aliases":["EUVD-2025-27337","GHSA-xrfp-hm62-qxmv"],"status":"published","title":"Microsoft OfficePlus Spoofing Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01158,"percentile":0.67301,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2025-09-09T17:01:06Z","modified":"2026-06-17T09:41:31Z","products":[{"vendor":"microsoft","product":"microsoft officeplus"},{"vendor":"microsoft","product":"officeplus"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55243","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55243"},{"url":"https://github.com/advisories/GHSA-xrfp-hm62-qxmv"}],"sources":{"cve":[{"id":"CVE-2025-55243","title":"Microsoft OfficePlus Spoofing Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2025-09-09T17:01:06.531Z","modified":"2026-02-20T16:00:35.402Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-27337","description":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2025-09-09T17:01:06Z","modified":"2026-02-20T16:00:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:36.672162Z"}],"ghsa":[{"id":"GHSA-xrfp-hm62-qxmv","title":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an...","description":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2025-09-09T18:31:23Z","modified":"2025-09-09T18:31:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:03:33.203079Z"}],"nvd":[{"id":"CVE-2025-55243","description":"Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2025-09-09T17:16:07.1Z","modified":"2026-06-17T09:41:31.23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:11:27.73916Z"}]}}