CVE-2025-30388
highpriority · track · 2EPSS 0.044 · 91 %ileDEEUNLRUUSEPSS · scored 2026-10-26
Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft Office LTSC for Mac 2021msrc_csaf
16.97.25042725:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049
https://go.microsoft.com/fwlink/p/?linkid=831049 - FixedMicrosoft Office LTSC for Mac 2024msrc_csaf
16.97.25042725:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049
https://go.microsoft.com/fwlink/p/?linkid=831049 - FixedMicrosoft Office for Androidmsrc_csaf
16.0.18827.20000:Security Update:https://support.google.com/googleplay/answer/113412?hl=en
https://support.google.com/googleplay/answer/113412?hl=en - FixedMicrosoft Office for Universalmsrc_csaf
16.0.14326.22502:Security Update:https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f
https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f - FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383
https://support.microsoft.com/help/5058383 - FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383
https://support.microsoft.com/help/5058383 - FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392
https://support.microsoft.com/help/5058392 - FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392
https://support.microsoft.com/help/5058392 - FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379 - FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.21014:Security Update:https://support.microsoft.com/help/5058387
https://support.microsoft.com/help/5058387 - FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.21014:Security Update:https://support.microsoft.com/help/5058387
https://support.microsoft.com/help/5058387 - FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405 - FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405 - FixedWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405 - FixedWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22631.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405 - FixedWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411
https://support.microsoft.com/help/5058411 - FixedWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411
https://support.microsoft.com/help/5058411 - FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.27729:Monthly Rollup:https://support.microsoft.com/help/5058430
https://support.microsoft.com/help/5058430 - FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.27729:Monthly Rollup:https://support.microsoft.com/help/5058430
https://support.microsoft.com/help/5058430 - FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429
https://support.microsoft.com/help/5058429 - FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429
https://support.microsoft.com/help/5058429 - FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429
https://support.microsoft.com/help/5058429 - FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429
https://support.microsoft.com/help/5058429 - FixedWindows Server 2012msrc_csaf
6.2.9200.25475:Monthly Rollup:https://support.microsoft.com/help/5058451
https://support.microsoft.com/help/5058451 - FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.25475:Monthly Rollup:https://support.microsoft.com/help/5058451
https://support.microsoft.com/help/5058451 - FixedWindows Server 2012 R2msrc_csaf
6.3.9600.22577:Monthly Rollup:https://support.microsoft.com/help/5058403
https://support.microsoft.com/help/5058403 - FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.22577:Monthly Rollup:https://support.microsoft.com/help/5058403
https://support.microsoft.com/help/5058403 - FixedWindows Server 2016msrc_csaf
10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383
https://support.microsoft.com/help/5058383 - FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383
https://support.microsoft.com/help/5058383 - FixedWindows Server 2019msrc_csaf
10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392
https://support.microsoft.com/help/5058392 - FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392
https://support.microsoft.com/help/5058392 - FixedWindows Server 2022msrc_csaf
10.0.20348.3692:Security Update:https://support.microsoft.com/help/5058385
https://support.microsoft.com/help/5058385 - FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.3692:Security Update:https://support.microsoft.com/help/5058385
https://support.microsoft.com/help/5058385 - FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.1611:Security Update:https://support.microsoft.com/help/5058384
https://support.microsoft.com/help/5058384 - FixedWindows Server 2025msrc_csaf
10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411
https://support.microsoft.com/help/5058411 - FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411
https://support.microsoft.com/help/5058411
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (246)
Products and version ranges known to be affected.
- Microsoft Windows 10 HLK Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_10:hlk_version_22h2
- Microsoft Windows 10 HLK version 20H2all versionscert_bundDEcpe:/o:microsoft:windows_10:hlk_version_20h2
- Microsoft Windows 10 HLK version 21H1all versionscert_bundDEcpe:/o:microsoft:windows_10:hlk_version_21h1
- Microsoft Windows 10 HLK version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_10:hlk_version_21h2
- Microsoft Windows 10 Windows HLK for version 2004all versionscert_bundDEcpe:/o:microsoft:windows_10:windows_hlk_for_version_2004
- Microsoft Windows 11 Windows Terminalall versionscert_bundDEcpe:/o:microsoft:windows_11:windows_terminal
- 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 2008 R2 SP1all versionscert_bundDEcpe:/o:microsoft:windows_server:2008_r2_sp1
advisories (5)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0155Kwetsbaarheden verholpen in Microsoft OfficeNL2025-05-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten.
- NCSC-2025-0159Kwetsbaarheden verholpen in Microsoft WindowsNL2025-05-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
- WID-SEC-W-2025-1017Microsoft Office: Mehrere SchwachstellenDeutsch2025-05-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten und Microsoft SharePoint ausnutzen, um seine Privilegien zu erweitern oder beliebigen Programmcode auszuführen.
- WID-SEC-W-2025-1050Microsoft Windows Server: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2025-05-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer, oder lokaler Angreifer, oder ein Angreifer aus einem angrenzenden Netzwerk kann mehrere Schwachstellen in Microsoft Windows Server, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows, Microsoft Windows Server 2022 und Microsoft Windows 11 ausnutzen, um einen Denial-of-Service auszulösen, Informationen offenzulegen, beliebigen Programmcode auszuführen oder seine Privilegien zu erweitern.
- msrc_CVE-2025-30388Windows Graphics Component Remote Code Execution Vulnerability2025-05-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388cnnvd
- https://vigilance.fr/vulnerability/Microsoft-365-Apps-Office-vulnerabilities-of-May-2025-47144cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388enisa_euvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388Vendor Advisorynvd
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