CVE-2024-49038
CVE-2024-49038 is a critical-severity vulnerability in Microsoft Copilot Studio with a CVSS 3.x base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Critical (CVSS 3.x base score 9.3)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-43909
- Weakness: CWE-79
- Affected product: Microsoft Copilot Studio
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2024-49038?
- CVE-2024-49038 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2024-49038 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-49038?
- CVE-2024-49038 affects Microsoft Copilot Studio. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-49038?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-49038 have an EU (EUVD) identifier?
- Yes. CVE-2024-49038 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43909.
- When was CVE-2024-49038 published?
- CVE-2024-49038 was published on 2024-11-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:copilot_studio:-:*:*:*:*:*:*:*
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