PT-2023-2243

CVE-2023-28252

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Published

2023-04-11

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Updated

2026-06-27

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows Common Log File System Driver (affected versions not specified)
Description The issue is related to an elevation-of-privilege vulnerability in the Windows Common Log File System (CLFS) Driver. This vulnerability allows attackers to affect the system. It has been exploited in the wild, with ransomware operators using it to target victims. The vulnerability is associated with a buffer overflow in memory, which can be exploited to elevate privileges. There have been reports of this vulnerability being used by ransomware groups, including Nokoyawa, in attacks on small and medium-sized businesses in various regions.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Related identifiers
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