OnlyPatch
Windows Win32K - GRFX

CVE-2024-30091 — Win32k Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.04259 2024-06 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
Weakness CWE-122: Heap-based Buffer Overflow
Released Jun 11 2024
Last Updated Jun 11 2024
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.04259 — 0.90029 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:P/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
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.0

EPSS Score

0.04259
probability of exploitation in the next 30 days
0.90029 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

28 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5039225 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5039225 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5039214 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5039214 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5039217 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5039217 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5039217 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for 32-bit Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for ARM64-based Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for x64-based Systems 5039211 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5039213 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5039213 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for ARM64-based Systems 5039212 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for x64-based Systems 5039212 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 23H2 for ARM64-based Systems 5039212 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 23H2 for x64-based Systems 5039212 (Security Update) Important Elevation of Privilege Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5039245 (Monthly Rollup) 5039266 (Security Only) Important Elevation of Privilege 5037800 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.0.6003.22720 Yes 5039245 5039266 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5039245 (Monthly Rollup) 5039266 (Security Only) Important Elevation of Privilege 5037800 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.0.6003.22720 Yes 5039245 5039266 Windows Server 2008 for x64-based Systems Service Pack 2 5039245 (Monthly Rollup) 5039266 (Security Only) Important Elevation of Privilege 5037800 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.0.6003.22720 Yes 5039245 5039266 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5039245 (Monthly Rollup) 5039266 (Security Only) Important Elevation of Privilege 5037800 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.0.6003.22720 Yes 5039245 5039266 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5039289 (Monthly Rollup) 5039274 (Security Only) Important Elevation of Privilege 5037780 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.27170 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5039289 (Monthly Rollup) 5039274 (Security Only) Important Elevation of Privilege 5037780 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.27170 Yes None Windows Server 2012 5039260 (Monthly Rollup) Important Elevation of Privilege Yes
Windows Server 2012 (Server Core installation) 5039260 (Monthly Rollup) Important Elevation of Privilege Yes
Windows Server 2012 R2 5039294 (Monthly Rollup) Important Elevation of Privilege Yes
Windows Server 2012 R2 (Server Core installation) 5039294 (Monthly Rollup) Important Elevation of Privilege Yes
Windows Server 2016 5039214 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5039214 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5039217 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5039217 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 5039227 (Security Update) 5039330 (Security Hotpatch Update) Important Elevation of Privilege 5037782 5037848 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 10.0.20348.2527 10.0.20348.2522 Yes 5039227 Windows Server 2022 (Server Core installation) 5039227 (Security Update) 5039330 (Security Hotpatch Update) Important Elevation of Privilege 5037782 5037848 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 10.0.20348.2527 10.0.20348.2522 Yes 5039227 Windows Server 2022, 23H2 Edition (Server Core installation) 5039236 (Security Update) Important Elevation of Privilege Yes

Patches

9 patches
Article Type Restart
5039225 Security Update Yes
5039214 Security Update Yes
5039217 Security Update Yes
5039211 Security Update Yes
5039213 Security Update Yes
5039212 Security Update Yes
5039260 Monthly Rollup Yes
5039294 Monthly Rollup Yes
5039236 Security Update Yes

Known Exploits

Acknowledgments

Tobias Klein

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