High 7.5Published Oct 14, 2025

CVE-2025-58726Windows SMB Server Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 26, 2026, 4:40 PM ET)

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It affects Microsoft Windows 10 Version 1507 and 21 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft Windows 10 Version 1507

Exploited in the last 30 days

Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Modified
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows 10 Version 1507 microsoft:windows_10_1507	from 10.0.10240.0 before 10.0.10240.21161	CNA record
Microsoft Windows 10 Version 1607 microsoft:windows_10_1607	from 10.0.14393.0 before 10.0.14393.8519	CNA record
Microsoft Windows 10 Version 1809 microsoft:windows_10_1809	from 10.0.17763.0 before 10.0.17763.7919	CNA record
Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2	from 10.0.19044.0 before 10.0.19044.6456	CNA record
Microsoft Windows 10 Version 22H2 microsoft:windows_10_22h2	from 10.0.19045.0 before 10.0.19045.6456	CNA record
Microsoft Windows 11 version 22H2 microsoft:windows_11_22h2	from 10.0.22621.0 before 10.0.22621.6060	CNA record
Microsoft Windows 11 version 22H3 microsoft:windows_11_22h3	from 10.0.22631.0 before 10.0.22631.6060	CNA record
Microsoft Windows 11 Version 23H2 microsoft:windows_11_23h2	from 10.0.22631.0 before 10.0.22631.6060	CNA record
Microsoft Windows 11 Version 24H2 microsoft:windows_11_24h2	from 10.0.26100.0 before 10.0.26100.6899	CNA record
Microsoft Windows 11 Version 25H2 microsoft:windows_11_25h2	from 10.0.26200.0 before 10.0.26200.6899	CNA record
1–10 of 37

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-58726	vendor-advisory, patch
https://www.vicarius.io/vsociety/posts/cve-2025-58726-detection-script-improper-access-control-affecting-smb-server-by-microsoft
https://www.vicarius.io/vsociety/posts/cve-2025-58726-mitigation-script-improper-access-control-affecting-smb-server-by-microsoft

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.