CVE-2025-29840

highpriority · track · 0EPSS 0.010 · 64 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 8.8 · high

Is it mine?

156 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

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
10.0.14393.8066: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 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

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-787USprimaryCWE-121USCWE-121USCWE-121USCWE-121US

affected products (156)

Products and version ranges known to be affected.

Hitachi Storageall versionscert_bundDEcpe:/h:hitachi:storage:-
Microsoft Windows 10all versionscert_bundDEcpe:/o:microsoft:windows_10:-
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 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 10 Windows HLK for version 2004all versionscert_bundDEcpe:/o:microsoft:windows_10:windows_hlk_for_version_2004
Microsoft Windows 11 HLK 24H2all versionscert_bundDEcpe:/o:microsoft:windows_11:hlk_24h2
Microsoft Windows 11 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_11: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 Windows Terminalall versionscert_bundDEcpe:/o:microsoft:windows_11:windows_terminal
Microsoft Windows Admin Centerall versionscert_bundDEcpe:/o:microsoft:windows:update_assistant
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

showing 20 of 156

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0159Kwetsbaarheden verholpen in Microsoft WindowsNL2025-05-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
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-2025-29840Windows Media 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.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2025-05-13modified 2026-06-17

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+16091 more

references (3)

External citations — patches, advisories, analysis.

scry

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