High severity · published Mar 12, 2024
CVE-2024-26170
Windows Composite Image File System (CimFS) Elevation of Privilege Vulnerability
7.8
CVSS
6.6%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.6% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 10 21h2 · Microsoft
before 10.0.19044.4170 · source: NVD
W1
Windows 10 22h2 · Microsoft
before 10.0.19045.4170 · source: NVD
W1
Windows 11 21h2 · Microsoft
before 10.0.22000.2836 · source: NVD
W1
Windows 11 22h2 · Microsoft
before 10.0.22621.3296 · source: NVD
W1
Windows 11 23h2 · Microsoft
before 10.0.22631.3296 · source: NVD
WS
Windows Server 2022 · Microsoft
before 10.0.20348.2340 · source: NVD
WS
Windows Server 2022 23h2 · Microsoft
before 10.0.25398.763 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-26170
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-26170
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26170
More from Windows 10 21h2
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