XSS in Microsoft Sharepoint Server Subscription Edition

CVE-2025-64672

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-64672: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-64672?
CVE-2025-64672 is a high-severity vulnerability in Microsoft Sharepoint Server Subscription Edition, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2025-12-09.
How severe is CVE-2025-64672?
High severity. CVSS v3 base score is 8.8 out of 10.