CVE-2025-59280

LOW

Published Oct 14, 2025 Modified Oct 20, 2025 CWE-287

Description

Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.

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CVSS v3.1 Score

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
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	All
microsoft	windows_server_2008	All
microsoft	windows_server_2008	All
microsoft	windows_server_2012	All
microsoft	windows_server_2012	All
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

References

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59280

Frequently Asked Questions

What is CVE-2025-59280? +

Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2025-59280? +

CVE-2025-59280 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-59280? +

CVE-2025-59280 affects products from microsoft, specifically: windows_10_1507, windows_10_1607, windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_22h2, windows_11_23h2, windows_11_24h2, windows_server_2008, windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-59280? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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