CVE-2024-49057
Published: 12 December 2024
Summary
CVE-2024-49057 is a high-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Defender For Endpoint. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 13.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Microsoft Defender for Endpoint on Android contains a spoofing vulnerability tracked as CVE-2024-49057. The flaw is rated 8.1 under CVSS 3.1 with an attack vector of network, low complexity, no required privileges, and required user interaction, resulting in high impact to confidentiality and integrity. It is associated with CWE-20 improper input validation.
An unauthenticated remote attacker can exploit the issue by sending crafted content that the application processes after user interaction. Successful exploitation allows spoofing actions that can expose or alter sensitive information handled by the endpoint protection agent without affecting availability.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49057 provides official mitigation guidance and patch information. Exploitation probability reached a peak of 0.0578 on 2025-12-18 after starting from a lower baseline before receding to the current value of 0.0297, indicating a temporary increase in observed interest following disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-43924
Vulnerability details
Microsoft Defender for Endpoint on Android Spoofing Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.