OnlyPatch
Windows Win32K

CVE-2022-41109 — Windows Win32k Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.08053 2022-11 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 Nov 8 2022
Last Updated Nov 8 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.08053 — 0.94183 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

0.08053
probability of exploitation in the next 30 days
0.94183 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

27 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5019970 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5019970 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5019964 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5019964 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5019966 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5019966 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5019966 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for 32-bit Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for ARM64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for 32-bit Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for ARM64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for x64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for 32-bit Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for ARM64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for x64-based Systems 5019959 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5019961 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5019961 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for ARM64-based Systems 5019980 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for x64-based Systems 5019980 (Security Update) Important Elevation of Privilege Yes
Windows 7 for 32-bit Systems Service Pack 1 5020000 (Monthly Rollup) 5020013 (Security Only) Important Elevation of Privilege 5018454 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 6.1.7601.26221 Yes 5020000 5020013 Windows 7 for x64-based Systems Service Pack 1 5020000 (Monthly Rollup) 5020013 (Security Only) Important Elevation of Privilege 5018454 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 6.1.7601.26221 Yes 5020000 5020013 Windows 8.1 for 32-bit systems 5020023 (Monthly Rollup) 5020010 (Security Only) Important Elevation of Privilege 5018474 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 6.3.9600.20671 6.3.9600.20670 Yes 5020023 5020010 Windows 8.1 for x64-based systems 5020023 (Monthly Rollup) 5020010 (Security Only) Important Elevation of Privilege 5018474 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 6.3.9600.20671 6.3.9600.20670 Yes 5020023 5020010 Windows RT 8.1 5020010 (Security Only) Important Elevation of Privilege Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5020019 (Monthly Rollup) 5020005 (Security Only) Important Elevation of Privilege 5018450 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 6.0.6003.21768 Yes 5020019 5020005 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5020019 (Monthly Rollup) 5020005 (Security Only) Important Elevation of Privilege 5018450 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 6.0.6003.21768 Yes 5020019 5020005 Windows Server 2008 for x64-based Systems Service Pack 2 5020019 (Monthly Rollup) 5020005 (Security Only) Important Elevation of Privilege 5018450 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 6.0.6003.21768 Yes 5020019 5020005 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5020019 (Monthly Rollup) 5020005 (Security Only) Important Elevation of Privilege 5018450 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 6.0.6003.21768 Yes 5020019 5020005 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5020000 (Monthly Rollup) 5020013 (Security Only) Important Elevation of Privilege 5018454 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 6.1.7601.26221 Yes 5020000 5020013 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5020000 (Monthly Rollup) 5020013 (Security Only) Important Elevation of Privilege 5018454 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 6.1.7601.26221 Yes 5020000 5020013 Windows Server 2012 5020009 (Monthly Rollup) 5020003 (Security Only) Important Elevation of Privilege 5018457 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 6.2.9200.23968 Yes 5020009 5020003 Windows Server 2012 (Server Core installation) 5020009 (Monthly Rollup) 5020003 (Security Only) Important Elevation of Privilege 5018457 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 6.2.9200.23968 Yes 5020009 5020003 Windows Server 2012 R2 5020023 (Monthly Rollup) 5020010 (Security Only) Important Elevation of Privilege 5018474 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 6.3.9600.20671 6.3.9600.20670 Yes 5020023 5020010 Windows Server 2012 R2 (Server Core installation) 5020023 (Monthly Rollup) 5020010 (Security Only) Important Elevation of Privilege 5018474 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 6.3.9600.20671 6.3.9600.20670 Yes 5020023 5020010 Windows Server 2016 5019964 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5019964 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5019966 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5019966 (Security Update) Important Elevation of Privilege Yes

Patches

7 patches
Article Type Restart
5019970 Security Update Yes
5019964 Security Update Yes
5019966 Security Update Yes
5019959 Security Update Yes
5019961 Security Update Yes
5019980 Security Update Yes
5020010 Security Only Yes

Known Exploits

Acknowledgments

Yongil Lee

On This Page