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
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2024-11-26CVE-2024-49038: Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized…NVD · nvd.nist.gov/vuln/detail/CVE-2024-49038
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
- lane
- Patch now
- 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
- NVDVulnerability 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
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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
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AI