CVE-2024-49038
Microsoft Copilot Studio Elevation Of Privilege Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Copilot Studio Elevation Of Privilege Vulnerability
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.
- Record
CVE-2024-49038- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2024-43909
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.
- Record
EUVD-2024-43909- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9qqr-v783-v57r
Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot...
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.
- Record
GHSA-9qqr-v783-v57r- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-49038- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-49038 is a critical vulnerability (CVSS 9.3) in Microsoft Copilot Studio, published November 26, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. No source names a fixed version.