CVE-2025-64677
Unknown Unknown - Not Provided
Cross-Site Scripting in Office OOBE Enables Network Spoofing

Publication date: 2025-12-18

Last updated on: 2025-12-18

Assigner: Microsoft Corporation

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.
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Meta Information
Published
2025-12-18
Last Modified
2025-12-18
Generated
2026-06-16
AI Q&A
2025-12-19
EPSS Evaluated
2026-06-15
NVD
CVE-2025-64677
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft office *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Impact Analysis

An attacker exploiting this vulnerability can perform spoofing attacks, potentially deceiving users or systems by injecting malicious scripts. This can lead to unauthorized actions or information disclosure, impacting confidentiality and integrity.

Executive Summary

This vulnerability is a cross-site scripting (XSS) issue in the Office Out-of-Box Experience. It occurs because input is not properly neutralized during web page generation, allowing an unauthorized attacker to perform spoofing attacks over a network.

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