CVE-2025-33073

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

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073	Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-33073-detection-script-improper-access-control-in-windows-smb-affects-microsoft-products	Third Party Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products	Mitigation Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_21h2::::::::
	cpe:2.3:o:microsoft:windows_10_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_23h2::::::::
	cpe:2.3:o:microsoft:windows_11_24h2::::::::
	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x64:*
	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x86:*
	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:*
	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016::::::::
	cpe:2.3:o:microsoft:windows_server_2019::::::::
	cpe:2.3:o:microsoft:windows_server_2022::::::::
	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

21 Oct 2025, 23:17

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073 -

21 Oct 2025, 20:20

Type	Values Removed	Values Added
References	~~{'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}~~

21 Oct 2025, 19:21

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073 -

21 Oct 2025, 12:45

Type	Values Removed	Values Added
References	~~() https://www.vicarius.io/vsociety/posts/cve-2025-33073-detection-script-improper-access-control-in-windows-smb-affects-microsoft-products -~~	() https://www.vicarius.io/vsociety/posts/cve-2025-33073-detection-script-improper-access-control-in-windows-smb-affects-microsoft-products - Third Party Advisory
References	~~() https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products -~~	() https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products - Mitigation, Third Party Advisory

15 Sep 2025, 19:15

Type	Values Removed	Values Added
References		() https://www.vicarius.io/vsociety/posts/cve-2025-33073-detection-script-improper-access-control-in-windows-smb-affects-microsoft-products - () https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products -

10 Jul 2025, 16:03

Type	Values Removed	Values Added
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073 - Vendor Advisory
CPE		cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x64:* cpe:2.3:o:microsoft:windows_11_23h2:::::::: cpe:2.3:o:microsoft:windows_10_1607:::::::x64:* cpe:2.3:o:microsoft:windows_10_1507:::::::x64:* cpe:2.3:o:microsoft:windows_10_1607:::::::x86:* cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_server_2022_23h2:::::::: cpe:2.3:o:microsoft:windows_11_24h2:::::::: cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:* cpe:2.3:o:microsoft:windows_server_2019:::::::: cpe:2.3:o:microsoft:windows_server_2016:::::::: cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x86:* cpe:2.3:o:microsoft:windows_10_22h2:::::::: cpe:2.3:o:microsoft:windows_11_22h2:::::::: cpe:2.3:o:microsoft:windows_10_21h2:::::::: cpe:2.3:o:microsoft:windows_10_1507:::::::x86:* cpe:2.3:o:microsoft:windows_server_2025:::::::: cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
First Time		Microsoft windows Server 2008 Microsoft windows Server 2019 Microsoft windows Server 2012 Microsoft windows 11 24h2 Microsoft windows 10 1507 Microsoft windows 11 23h2 Microsoft Microsoft windows 10 22h2 Microsoft windows 10 1607 Microsoft windows Server 2022 Microsoft windows 10 21h2 Microsoft windows Server 2022 23h2 Microsoft windows 11 22h2 Microsoft windows Server 2016 Microsoft windows Server 2025 Microsoft windows 10 1809

12 Jun 2025, 16:06

Type	Values Removed	Values Added
Summary		(es) Un control de acceso inadecuado en Windows SMB permite que un atacante autorizado eleve privilegios en una red.

10 Jun 2025, 17:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-10 17:23

Updated : 2025-10-21 23:17

NVD link : CVE-2025-33073

Mitre link : CVE-2025-33073

CVE.ORG link : CVE-2025-33073

JSON object : View

Products Affected

microsoft

windows_10_1809
windows_server_2022_23h2
windows_11_23h2
windows_10_22h2
windows_10_21h2
windows_server_2012
windows_server_2022
windows_server_2025
windows_server_2019
windows_11_24h2
windows_10_1607
windows_11_22h2
windows_server_2016
windows_10_1507
windows_server_2008

CWE

CWE-284

Improper Access Control

8.8 /10