CVE-2025-58726

HIGH

7.5

Description

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

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published10/14/2025

Last Modified11/11/2025

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windows_10_1507microsoft:windows_10_1607microsoft:windows_10_1809microsoft:windows_10_21h2microsoft:windows_10_22h2microsoft:windows_11_22h2microsoft:windows_11_23h2microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2008microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Weaknesses (CWE)

CWE-284

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-58726(secure@microsoft.com)

https://www.vicarius.io/vsociety/posts/cve-2025-58726-detection-script-improper-access-control-affecting-smb-server-by-microsoft(af854a3a-2127-422b-91ae-364da2661108)

https://www.vicarius.io/vsociety/posts/cve-2025-58726-mitigation-script-improper-access-control-affecting-smb-server-by-microsoft(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.