CVE-2025-55230

highpriority · track · 0EPSS 0.004 · 29 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (29th) EPSS

CVSS 7.8 · high

Is it mine?

117 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-27

Untrusted pointer dereference in Windows MBT Transport driver 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
10.0.14393.8246:Security Update:https://support.microsoft.com/help/5062560
https://support.microsoft.com/help/5062560
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.8246:Security Update:https://support.microsoft.com/help/5062560
https://support.microsoft.com/help/5062560
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.7558:Security Update:https://support.microsoft.com/help/5062557
https://support.microsoft.com/help/5062557
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.7558:Security Update:https://support.microsoft.com/help/5062557
https://support.microsoft.com/help/5062557
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.6093:Security Update:https://support.microsoft.com/help/5062554
https://support.microsoft.com/help/5062554
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.21073:Security Update:https://support.microsoft.com/help/5062561
https://support.microsoft.com/help/5062561
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.21073:Security Update:https://support.microsoft.com/help/5062561
https://support.microsoft.com/help/5062561
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.5624:Security Update:https://support.microsoft.com/help/5062552
https://support.microsoft.com/help/5062552
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.5624:Security Update:https://support.microsoft.com/help/5062552
https://support.microsoft.com/help/5062552
FixedWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.5624:Security Update:https://support.microsoft.com/help/5062552
https://support.microsoft.com/help/5062552
FixedWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22621.5624:Security Update:https://support.microsoft.com/help/5062552
https://support.microsoft.com/help/5062552
FixedWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.4652:Security Update:https://support.microsoft.com/help/5062553
https://support.microsoft.com/help/5062553
FixedWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.4652:Security Update:https://support.microsoft.com/help/5062553
https://support.microsoft.com/help/5062553
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.27820:Security Only:https://support.microsoft.com/help/5062619
https://support.microsoft.com/help/5062619
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.27820:Security Only:https://support.microsoft.com/help/5062619
https://support.microsoft.com/help/5062619
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.23418:Security Only:https://support.microsoft.com/help/5062618
https://support.microsoft.com/help/5062618
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23418:Security Only:https://support.microsoft.com/help/5062618
https://support.microsoft.com/help/5062618
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.23418:Security Only:https://support.microsoft.com/help/5062618
https://support.microsoft.com/help/5062618
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23418:Security Only:https://support.microsoft.com/help/5062618
https://support.microsoft.com/help/5062618
FixedWindows Server 2012msrc_csaf
6.2.9200.25573:Monthly Rollup:https://support.microsoft.com/help/5062592
https://support.microsoft.com/help/5062592
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.25573:Monthly Rollup:https://support.microsoft.com/help/5062592
https://support.microsoft.com/help/5062592
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.22676:Monthly Rollup:https://support.microsoft.com/help/5062597
https://support.microsoft.com/help/5062597
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.22676:Monthly Rollup:https://support.microsoft.com/help/5062597
https://support.microsoft.com/help/5062597
FixedWindows Server 2016msrc_csaf
10.0.14393.8246:Security Update:https://support.microsoft.com/help/5062560
https://support.microsoft.com/help/5062560
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.8246:Security Update:https://support.microsoft.com/help/5062560
https://support.microsoft.com/help/5062560
FixedWindows Server 2019msrc_csaf
10.0.17763.7558:Security Update:https://support.microsoft.com/help/5062557
https://support.microsoft.com/help/5062557
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.7558:Security Update:https://support.microsoft.com/help/5062557
https://support.microsoft.com/help/5062557
FixedWindows Server 2022msrc_csaf
10.0.20348.3932:Security Update:https://support.microsoft.com/help/5062572
https://support.microsoft.com/help/5062572
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.3932:Security Update:https://support.microsoft.com/help/5062572
https://support.microsoft.com/help/5062572
FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.1732:Security Update:https://support.microsoft.com/help/5062570
https://support.microsoft.com/help/5062570
FixedWindows Server 2025msrc_csaf
10.0.26100.4652:Security Update:https://support.microsoft.com/help/5062553
https://support.microsoft.com/help/5062553
FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.4652:Security Update:https://support.microsoft.com/help/5062553
https://support.microsoft.com/help/5062553

cvss

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

7.8

010

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/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-822USCWE-822US

affected products (117)

Products and version ranges known to be affected.

Microsoft Windowsall versionscert_bundDEcpe:/o:microsoft:windows:-
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.21073enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.8246enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.7558enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19044.0 → 10.0.19044.6093enisa_euvdEU
Microsoft Windows 10 Version 22H210.0.19045.0 → 10.0.19045.6093enisa_euvdEU
Microsoft Windows 11 Version 23H210.0.22631.0 → 10.0.22621.5624enisa_euvdEU
Microsoft Windows 11 Version 24H210.0.26100.0 → 10.0.26100.4652enisa_euvdEU
Microsoft Windows 11 version 22H210.0.22621.0 → 10.0.22621.5624enisa_euvdEU
Microsoft Windows 11 version 22H310.0.22631.0 → 10.0.22631.5624enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 16.1.7601.0 → 6.1.7601.27820enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 → 6.1.7601.27820enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.6003.0 → 6.0.6003.23418enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 → 6.0.6003.23418enisa_euvdEU
Microsoft Windows Server 20126.2.9200.0 → 6.2.9200.25573enisa_euvdEU
Microsoft Windows Server 2012 (Server Core installation)6.2.9200.0 → 6.2.9200.25573enisa_euvdEU
Microsoft Windows Server 2012 R26.3.9600.0 → 6.3.9600.22676enisa_euvdEU
Microsoft Windows Server 2012 R2 (Server Core installation)6.3.9600.0 → 6.3.9600.22676enisa_euvdEU
Microsoft Windows Server 201610.0.14393.0 → 10.0.14393.8246enisa_euvdEU
Microsoft Windows Server 2016 (Server Core installation)10.0.14393.0 → 10.0.14393.8246enisa_euvdEU

showing 20 of 117

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1891Microsoft Windows: Mehrere SchwachstellenDeutsch2025-08-21csaf · cert_bundDE
Ein entfernter anonymer Angreifer oder ein lokaler Angreifer kann mehrere Schwachstellen in Microsoft Windows ausnutzen, um Spoofing-Angriffe durchzuführen, Root-Rechte zu erlangen und beliebigen Code auszuführen.
msrc_CVE-2025-55230Windows MBT Transport Driver Elevation of Privilege Vulnerability2025-08-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf NVD CVE.org MITRE

published 2025-08-21modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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