gcdRadar
archive/Patch now/AIR-2024-0267
closedclosed 26 Nov 2024Patch now2 Disclosed vulnerabilityAI

CVE-2024-49038: XSS vulnerability in Microsoft Copilot Studio

Copilot Studio

An improper input neutralization vulnerability in Microsoft Copilot Studio allows unauthorized attackers to achieve elevation of privilege over a network. A patch was disclosed by the vendor.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
9.3
EPSS
0.01 · top 37% · 2026-11-13
fix status
Fix status unknown
first report
26 Nov 2024
last update
26 Nov 2024

Timeline · 1

  1. 26 Nov 2024CVE-2024-49038: Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized…

Sources · 1

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Microsoft
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 26 Nov 2024 · first reported 26 Nov 2024
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2024-49038: XSS vulnerability in Microsoft Copilot Studio

https://gcdradar.vercel.app/incidents/cve-2024-49038-xss-vulnerability-in-microsoft-copilot-studio · AIR-2024-0267 · closed 2024-11-26

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2024-11-26
- AI role: Attack on AI
- Products: Copilot Studio
- CVE ids: CVE-2024-49038
- CVSS: 9.3

## Summary

An improper input neutralization vulnerability in Microsoft Copilot Studio allows unauthorized attackers to achieve elevation of privilege over a network. A patch was disclosed by the vendor.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2024-11-26: CVE-2024-49038: Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized… (https://nvd.nist.gov/vuln/detail/CVE-2024-49038)

## Sources

- 2024-11-26 NVD: CVE-2024-49038: Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized… https://nvd.nist.gov/vuln/detail/CVE-2024-49038

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

Related

  1. closed7.4
    Copilot Studio CVE-2024-43610: Microsoft Copilot Studio information disclosure

    Patch now · Disclosed · since 9 Oct 2024 · CVE-2024-43610

    AI
  2. closed8.5
    Copilot Studio CVE-2024-38206: SSRF protection bypass in Microsoft Copilot Studio

    Patch now · Disclosed · since 6 Aug 2024 · CVE-2024-38206

    AI
  3. closed5.7
    GitHub Copilot CVE-2025-64660: GitHub Copilot and VS Code Access Control Vulnerability

    Patch now · Disclosed · since 20 Nov 2025 · CVE-2025-64660

    AI
  4. closed5.0
    AI
  5. closed7.8
    AI
  6. closed8.2
    AI