CVE-2025-59280: Windows SMB Client Tampering Vulnerability
Published Oct 14, 2025
·Updated
Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.
Other sources
Windows SMB Client Tampering Vulnerability
— Microsoft
Affected Software
58 affected componentsFixes available
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2008
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows 10=1809
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows 10=1607
Microsoft Windows Server 2008
Microsoft Windows 10
Microsoft Windows 10=1607
Microsoft Windows Server 2012
Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2025
Microsoft Windows 11=24H2
Microsoft Windows 11=24H2
Microsoft Windows 11=23H2
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows 11=23H2
Microsoft Windows Server 2025
Microsoft Windows 10=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 10=22H2
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=22H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows 10=1809
Microsoft Windows Server 2019
Microsoft Windows 10 1507<10.0.10240.21161
Microsoft Windows 10 1507<10.0.10240.21161
Microsoft Windows 10 1607<10.0.14393.8519
Microsoft Windows 10 1607<10.0.14393.8519
Microsoft Windows 10 1809<10.0.17763.7919
Microsoft Windows 10 1809<10.0.17763.7919
Microsoft Windows 10 21h2<10.0.19044.6456
Microsoft Windows 10 22h2<10.0.19045.6456
Microsoft Windows 11 22h2<10.0.22621.6060
Microsoft Windows 11 23h2<=10.0.22631.6060
Microsoft Windows 11 24h2<10.0.26100.6899
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<=10.0.14393.8519
Microsoft Windows Server 2019<10.0.17763.7919
Microsoft Windows Server 2022<10.0.20348.4294
Microsoft Windows Server 2022 23h2<10.0.25398.1913
Microsoft Windows Server 2025<=10.0.26100.6899
Event History
Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-59280?
CVE-2025-59280 is classified as a medium severity vulnerability.
2
How do I fix CVE-2025-59280?
To fix CVE-2025-59280, ensure you apply the latest security patches provided by Microsoft for your affected Windows version.
3
What types of exploitation are possible with CVE-2025-59280?
CVE-2025-59280 allows unauthorized attackers to perform tampering over a network due to improper authentication.
4
Which Windows versions are affected by CVE-2025-59280?
CVE-2025-59280 affects several Windows versions including Windows Server 2008, Windows Server 2012, and various versions of Windows 10 and 11.
5
Can CVE-2025-59280 impact server performance?
Yes, successful exploitation of CVE-2025-59280 could potentially impact server performance by allowing unauthorized access.