What is CVE-2024-49038?

CVE-2024-49038 is a critical-severity vulnerability in Microsoft Copilot_studio, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2024-11-26.

How severe is CVE-2024-49038?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Microsoft Copilot_studio

CVE-2024-49038

Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized attacker leads to elevation of privilege over a network.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Microsoft Copilot_studio
Microsoft Copilot Studio — versions N/A

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2024-49038?: CVE-2024-49038 is a critical-severity vulnerability in Microsoft Copilot_studio, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2024-11-26.
How severe is CVE-2024-49038?: Critical severity. CVSS v3 base score is 9.3 out of 10.