High severity · published Dec 12, 2024
CVE-2024-49093
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
8.8
CVSS
0.9%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 11 24h2 · Microsoft
before 10.0.26100.2605 · source: NVD
WS
Windows Server 2025 · Microsoft
before 10.0.26100.2605 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-49093
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-49093
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49093
More from Windows 11 24h2
9.8
CVE-2026-33824
Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
8.8
CVE-2026-96951
Windows Shell Security Feature Bypass Vulnerability
8.8
CVE-2026-21510
Windows Shell Security Feature Bypass Vulnerability
8.8
CVE-2026-21513
MSHTML Framework Security Feature Bypass Vulnerability
8.8
CVE-2025-33073
Windows SMB Client Elevation of Privilege Vulnerability