CVE-2025-33056
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-06-10
Last updated on: 2025-07-10
Assigner: Microsoft Corporation
Description
Description
Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_10_1507 | to 10.0.10240.21034 (exc) |
| microsoft | windows_10_1507 | to 10.0.10240.21034 (exc) |
| microsoft | windows_10_1607 | to 10.0.14393.8148 (exc) |
| microsoft | windows_10_1607 | to 10.0.14393.8148 (exc) |
| microsoft | windows_10_1809 | to 10.0.17763.7434 (exc) |
| microsoft | windows_10_1809 | to 10.0.17763.7434 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.5965 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.5965 (exc) |
| microsoft | windows_11_22h2 | to 10.0.22621.5472 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.5472 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.4270 (exc) |
| microsoft | windows_server_2008 | * |
| microsoft | windows_server_2008 | * |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | * |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | to 10.0.14393.8148 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.7434 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.3745 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.1665 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.4270 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an improper access control issue in the Microsoft Local Security Authority Server (lsasrv) that allows an unauthorized attacker to cause a denial of service over a network.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can deny service to the affected system remotely, potentially causing disruption or downtime without requiring any privileges or user interaction.
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