CVE-2025-33073
Windows SMB Client Elevation of Privilege Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.
| Vendor | microsoft |
| Product | windows 10 version 1507 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 10, 2025 |
| Last Updated | Feb 26, 2026 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 1507
10.0.10240.0 < 10.0.10240.21034
Microsoft / Windows 10 Version 1607
10.0.14393.0 < 10.0.14393.8148
Microsoft / Windows 10 Version 1809
10.0.17763.0 < 10.0.17763.7434
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.5965
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.5965
Microsoft / Windows 11 version 22H2
10.0.22621.0 < 10.0.22621.5472
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.5472
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.5472
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.4349
Microsoft / Windows Server 2008 R2 Service Pack 1
6.1.7601.0 < 6.1.7601.27769
Microsoft / Windows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.0 < 6.1.7601.27769
Microsoft / Windows Server 2008 Service Pack 2
6.0.6003.0 < 6.0.6003.23351
Microsoft / Windows Server 2008 Service Pack 2 (Server Core installation)
6.0.6003.0 < 6.0.6003.23351
Microsoft / Windows Server 2012
6.2.9200.0 < 6.2.9200.25522
Microsoft / Windows Server 2012 (Server Core installation)
6.2.9200.0 < 6.2.9200.25522
Microsoft / Windows Server 2012 R2
6.3.9600.0 < 6.3.9600.22620
Microsoft / Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 < 6.3.9600.22620
Microsoft / Windows Server 2016
10.0.14393.0 < 10.0.14393.8148
Microsoft / Windows Server 2016 (Server Core installation)
10.0.14393.0 < 10.0.14393.8148
Microsoft / Windows Server 2019
10.0.17763.0 < 10.0.17763.7434
Microsoft / Windows Server 2019 (Server Core installation)
10.0.17763.0 < 10.0.17763.7434
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.3807
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.1665
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.4349
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.4349
References
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073 cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073 vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2025-33073-detection-script-improper-access-control-in-windows-smb-affects-microsoft-products vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products