What is CVE-2025-64675?

CVE-2025-64675 is a high-severity vulnerability in Microsoft Azure Cosmos Db, classified under Cross-site Scripting. CVSS score: 8.3/10. Published 2025-12-19.

How severe is CVE-2025-64675?

High severity. CVSS v3 base score is 8.3 out of 10.

XSS in Microsoft Azure Cosmos Db

CVE-2025-64675

Improper neutralization of input during web page generation ('cross-site scripting') in Azure Cosmos DB allows an unauthorized attacker to perform spoofing over a network.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L.

Affected products

Microsoft Azure Cosmos Db
Microsoft Azure_cosmos_db

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-64675?: CVE-2025-64675 is a high-severity vulnerability in Microsoft Azure Cosmos Db, classified under Cross-site Scripting. CVSS score: 8.3/10. Published 2025-12-19.
How severe is CVE-2025-64675?: High severity. CVSS v3 base score is 8.3 out of 10.