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Windows Common Log File System Driver

CVE-2023-38143 — Windows Common Log File System Driver Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.04373 2023-09 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Sep 12 2023
Last Updated Sep 12 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.04373 — 0.90019 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.8

EPSS Score

0.04373
probability of exploitation in the next 30 days
0.90019 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

21 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5030220 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5030220 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5030213 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5030213 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5030214 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5030214 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5030214 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for 32-bit Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for ARM64-based Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for x64-based Systems 5030211 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5030217 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5030217 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for ARM64-based Systems 5030219 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for x64-based Systems 5030219 (Security Update) Important Elevation of Privilege Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5030271 (Monthly Rollup) 5030286 (Security Only) Important Elevation of Privilege 5029318 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22264 Yes 5030271 5030286 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5030271 (Monthly Rollup) 5030286 (Security Only) Important Elevation of Privilege 5029318 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22264 Yes 5030271 5030286 Windows Server 2008 for x64-based Systems Service Pack 2 5030271 (Monthly Rollup) 5030286 (Security Only) Important Elevation of Privilege 5029318 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22264 6.0.6003.22262 Yes 5030271 5030286 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5030271 (Monthly Rollup) 5030286 (Security Only) Important Elevation of Privilege 5029318 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22264 6.0.6003.22262 Yes 5030271 5030286 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5030265 (Monthly Rollup) 5030261 (Security Only) Important Elevation of Privilege 5029296 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26713 Yes 5030265 5030261 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5030265 (Monthly Rollup) 5030261 (Security Only) Important Elevation of Privilege 5029296 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26713 Yes 5030265 5030261 Windows Server 2012 5030278 (Monthly Rollup) 5030279 (Security Only) Important Elevation of Privilege 5029295 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.24462 Yes None Windows Server 2012 (Server Core installation) 5030278 (Monthly Rollup) 5030279 (Security Only) Important Elevation of Privilege 5029295 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.24462 Yes None Windows Server 2012 R2 5030269 (Monthly Rollup) 5030287 (Security Only) Important Elevation of Privilege 5029312 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.21563 Yes None Windows Server 2012 R2 (Server Core installation) 5030269 (Monthly Rollup) 5030287 (Security Only) Important Elevation of Privilege 5029312 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.21563 Yes None Windows Server 2016 5030213 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5030213 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5030214 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5030214 (Security Update) Important Elevation of Privilege Yes

Patches

6 patches
Article Type Restart
5030220 Security Update Yes
5030213 Security Update Yes
5030214 Security Update Yes
5030211 Security Update Yes
5030217 Security Update Yes
5030219 Security Update Yes

Known Exploits

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