CVE-2025-54101: Windows SMB Client Remote Code Execution Vulnerability
Published Sep 9, 2025
·Updated
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
Other sources
Windows SMB Client Remote Code Execution Vulnerability
— Microsoft
Affected Software
43 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows 10=1607
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2016
Microsoft Windows 10=1607
Microsoft Windows 10
Microsoft Windows Server 2012
Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows 11=23H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 11=22H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 11=22H2
Microsoft Windows 11=23H2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=1809
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10 1507<10.0.10240.21128
Microsoft Windows 10 1507<10.0.10240.21128
Microsoft Windows 10 1607<10.0.14393.8422
Microsoft Windows 10 1607<10.0.14393.8422
Microsoft Windows 10 1809<10.0.17763.7792
Microsoft Windows 10 1809<10.0.17763.7792
Microsoft Windows 10 21h2<10.0.19044.6332
Microsoft Windows 10 22h2<10.0.19045.6332
Microsoft Windows 11 22h2<10.0.22621.5909
Microsoft Windows 11 23h2<10.0.22631.5909
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.8422
Microsoft Windows Server 2019<10.0.17763.7792
Microsoft Windows Server 2022<10.0.20348.4106
Microsoft Windows Server 2022 23h2<10.0.25398.1849
Event History
Sep 9, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-54101?
CVE-2025-54101 is classified as a high severity vulnerability due to its potential for remote code execution.
2
How do I fix CVE-2025-54101?
To remediate CVE-2025-54101, apply the appropriate security updates or patches provided by Microsoft for your affected Windows version.
3
Which versions of Windows are affected by CVE-2025-54101?
CVE-2025-54101 affects various versions of Windows, including Windows 10, Windows 11, and several Windows Server editions.
4
What type of vulnerability is CVE-2025-54101?
CVE-2025-54101 is a use after free vulnerability specifically found in the Windows SMBv3 Client.
5
Can CVE-2025-54101 be exploited remotely?
Yes, CVE-2025-54101 can be exploited remotely, allowing an authorized attacker to execute code on affected systems.