{"id":"CVE-2025-64677","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-64677","generatedAt":"2026-10-28T02:11:20.646Z","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Office Out-of-Box Experience allows an unauthorized attacker to perform spoofing over a network.","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Office Out-of-Box Experience allows an unauthorized attacker to perform spoofing over a network.","published":"2025-12-18T22:16:01.000Z","lastModified":"2026-10-01T16:10:00.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N"},"cwe":["CWE-79"],"affected":["microsoft/office out-of-box experience"],"epss":{"score":0.00492,"percentile":0.42009,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64677","tags":["Vendor Advisory"],"source":"secure@microsoft.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-64677","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}