CVE-2025-33073

Windows SMB Client Elevation of Privilege Vulnerability

State: Published
Severity: 8.8 High
Published: Jun 10, 2025
Updated: Feb 26, 2026
Reserved: Apr 15, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C	microsoft

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
Windows 10 Version 1507Microsoft	10.0.10240.0 to before 10.0.10240.21034Affected
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.8148Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7434Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.5965Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.5965Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5472Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5472Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5472Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.4349Affected
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before 6.1.7601.27769Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before 6.1.7601.27769Affected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before 6.0.6003.23351Affected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before 6.0.6003.23351Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25522Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25522Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22620Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22620Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8148Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8148Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7434Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7434Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.3807Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1665Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.4349Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.4349Affected

References

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