CVEvulnerability

CVE-2023-23376

7.8 HIGH Known exploited Published 2023-02-14 Modified 2026-08-19 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability — Microsoft Windows

Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

Added to KEV
2023-02-14
Remediation due
2023-03-07
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-23376; https://nvd.nist.gov/vuln/detail/CVE-2023-23376
Status
Analyzed
Published
2023-02-14
Last modified
2026-08-19
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122, CWE-787

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected configurations

• microsoft windows 10 1507 (< 10.0.10240.19747) • microsoft windows 10 1607 (< 10.0.14393.5717) • microsoft windows 10 1809 (< 10.0.17763.4010) • microsoft windows 10 20h2 (< 10.0.19042.2604) • microsoft windows 10 21h2 (< 10.0.19044.2604) • microsoft windows 10 22h2 (< 10.0.19045.2604) • microsoft windows 11 21h2 (< 10.0.22000.1574) • microsoft windows 11 22h2 (< 10.0.22621.1265) • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.5717) • microsoft windows server 2019 (< 10.0.17763.4010) • microsoft windows server 2022 (< 10.0.20348.1540)

Related

Weakness · CWE (2)

  • CWE-122 Heap-based Buffer Overflow weakness
  • CWE-787 Out-of-bounds Write weakness

References