What is CVE-2024-49093?

CVE-2024-49093 is a high-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Incorrect Conversion between Numeric Types. CVSS score: 8.8/10. Published 2024-12-10.

How severe is CVE-2024-49093?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2024-49093 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows 11 Version 24h2

CVE-2024-49093

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

EPSS: 0.007 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types

Public proof-of-concept exploits

References

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2024-49093?: CVE-2024-49093 is a high-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Incorrect Conversion between Numeric Types. CVSS score: 8.8/10. Published 2024-12-10.
How severe is CVE-2024-49093?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-49093 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.