CVE-2026-33104

highpriority · track · 0EPSS 0.002 · 10 %ileDEEUJPNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 7 · high

Is it mine?

218 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200
FixedWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.6936:Security Update:https://support.microsoft.com/help/5082052
https://support.microsoft.com/help/5082052
FixedWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22631.6936:Security Update:https://support.microsoft.com/help/5082052
https://support.microsoft.com/help/5082052
FixedWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769
FixedWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769
FixedWindows 11 Version 25H2 for ARM64-based Systemsmsrc_csaf
10.0.26200.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769
FixedWindows 11 Version 25H2 for x64-based Systemsmsrc_csaf
10.0.26200.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769
FixedWindows 11 Version 26H1 for ARM64-based Systemsmsrc_csaf
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768
FixedWindows 11 version 26H1 for x64-based Systemsmsrc_csaf
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768
FixedWindows Server 2012msrc_csaf
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.23132:Monthly Rollup:https://support.microsoft.com/help/5082126
https://support.microsoft.com/help/5082126
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.23132:Monthly Rollup:https://support.microsoft.com/help/5082126
https://support.microsoft.com/help/5082126
FixedWindows Server 2016msrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198
FixedWindows Server 2019msrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123
FixedWindows Server 2022msrc_csaf
10.0.20348.5020:Security Update:https://support.microsoft.com/help/5082142
https://support.microsoft.com/help/5082142
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.5020:Security Update:https://support.microsoft.com/help/5082142
https://support.microsoft.com/help/5082142
FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.2274:Security Update:https://support.microsoft.com/help/5082060
https://support.microsoft.com/help/5082060
FixedWindows Server 2025msrc_csaf
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063
FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063

cvss

Technical severity, 0–10. One row per scoring source.

7.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1 · impact 5.9

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USCWE-362USCWE-362USCWE-362USCWE-416USCWE-416US

affected products (218)

Products and version ranges known to be affected.

Hitachi Virtual Storage Platform 5100all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5100
Hitachi Virtual Storage Platform 5100Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5100h
Hitachi Virtual Storage Platform 5200all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5200
Hitachi Virtual Storage Platform 5200Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5200h
Hitachi Virtual Storage Platform 5500all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5500
Hitachi Virtual Storage Platform 5500Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5500h
Hitachi Virtual Storage Platform 5600all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5600
Hitachi Virtual Storage Platform 5600Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5600h
Microsoft Windows 10 Version 1607all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1607
Microsoft Windows 10 Version 1809all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1809
Microsoft Windows 10 Version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_21h2
Microsoft Windows 10 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_22h2
Microsoft Windows 11 Version 23H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_23h2
Microsoft Windows 11 Version 24H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_24h2
Microsoft Windows 11 Version 25H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_25h2
Microsoft Windows 11 version 26H1all versionscert_bundDE
Microsoft Windows Admin Center in Azure Portalall versionscert_bundDEcpe:/a:microsoft:windows_admin_center:in_azure_portal
Microsoft Windows App Client for Desktopall versionscert_bundDEcpe:/o:microsoft:windows:app_client_for_desktop
Microsoft Windows Remote Desktop Clientall versionscert_bundDEcpe:/o:microsoft:windows:remote_desktop_client_for_desktop
Microsoft Windows Server 2012all versionscert_bundDEcpe:/o:microsoft:windows_server_2012:-

showing 20 of 218

advisories (5)

Vendor and ecosystem advisories describing this.

NCSC-2026-0119Kwetsbaarheden verholpen in Microsoft WindowsNL2026-04-15csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
WID-SEC-W-2026-1104Microsoft Windows: Mehrere SchwachstellenDeutsch2026-04-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows Produkten ausnutzen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen, um beliebigen Programmcode auszuführen, um falsche Informationen darzustellen, um einen Denial of Service Angriff durchzuführen, und um einen nicht näher spezifizierten Angriff durchzuführen.
WID-SEC-W-2026-1730Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2026-05-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
msrc_CVE-2026-33104Win32k Elevation of Privilege Vulnerability2026-04-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
JVNDB-2026-018098JVN iPedia advisory JVNDB-2026-0180982026-06-04vendor · jvndbJP

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl msrc_csaf jvndb NVD CVE.org MITRE

published 2026-04-14modified 2026-07-24

references (3)

External citations — patches, advisories, analysis.

scry

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