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Merge pull request #2997 from MicrosoftDocs/diannegali-mdvmfresh
updated browser extensions mdvm
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defender-vulnerability-management/tvm-browser-extensions.md

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title: Browser extensions assessment in Microsoft Defender Vulnerability Management
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description: Find out about the browsers extensions installed in your environment
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description: Find out about the browser extensions installed in your environment through Microsoft Defender Vulnerability Management.
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ms.service: defender-vuln-mgmt
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ms.pagetype: security
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ms.author: deniseb
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ms.collection:
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- m365-security
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- Tier1
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ms.topic: conceptual
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ms.topic: concept-article
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search.appverid: met150
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ms.date: 02/23/2025
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ms.date: 03/04/2025
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#customer intent: To learn about the browser extensions installed in your environment through Microsoft Defender Vulnerability Management.
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# Browser extensions assessment in Microsoft Defender Vulnerability Management
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## View your browser extensions
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1. Go to **Vulnerability management** \> **Inventories** in the [Microsoft Defender portal](https://security.microsoft.com).
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1. Sign in to the [Microsoft Defender portal](https://security.microsoft.com).
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2. Select the **Browser extensions** tab.
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2. Navigate to **Endpoints** \> **Vulnerability management** \> **Inventories**, then select the **Browser extensions** tab.
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> [!NOTE]
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> Browser extension assessment is only available on Windows devices. Only extensions that exist in Microsoft Edge, Chrome, and Firefox, appear in browser extension list.
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The **Browser extensions** page opens with a list of the browser extensions installed across your organization, including details on the extension name, browser, the number of devices the extension is installed on, and the number of devices with the extensions turned on.
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions.png" alt-text="Screenshot of the Browser extensions page" lightbox="/defender/media/defender-vulnerability-management/browser_extensions.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-inventories-small.png" alt-text="Screenshot of the Browser extensions tab" lightbox="/defender/media/defender-vulnerability-management/mdvm-inventories.png":::
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You can use the Browser filter to view the relevant list of extensions for a particular browser.
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The **Requested permissions** and **Permissions risk** columns provide more specific information on the number of permissions requested by the extension, and the permissions risk level based on the type of access to devices or sites it requested.
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Select a browser extension to open its flyout pane, where you can learn more about the extension:
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions_details.png" alt-text="Screenshot of the Browser extensions details pane" lightbox="/defender/media/defender-vulnerability-management/browser_extensions_details.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdm-browserex-pane-small.png" alt-text="Screenshot of the Browser extensions details pane" lightbox="/defender/media/defender-vulnerability-management/mdm-browserex-pane.png":::
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Where applicable, there's a link available on this page to access the extension in the store it was installed from.
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Where applicable, there's a link available on the flyout pane to access the extension in the store it was installed from.
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### Browser extension permissions
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Browser extensions usually need different types of permission to run properly, for example, they might require permission to modify a webpage.
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Select the **Permissions** tab, from the browser extension flyout pane, to see information on the permissions the browser extension needs to run, and whether this permission is optional or not.
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions_permissions.png" alt-text="Screenshot of the Browser extensions permissions page" lightbox="/defender/media/defender-vulnerability-management/browser_extensions_permissions.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-browserex-perms-small.png" alt-text="Screenshot of the Browser extensions permissions page" lightbox="/defender/media/defender-vulnerability-management/mdvm-browserex-perms.png":::
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The permission risk level generated is based on the type of access the permission is requesting. You can use this information to help make an informed decision on whether you want to allow or block this extension.
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> [!NOTE]
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> Risk is subjective, and it's up to each organization to determine the types of risk they're willing to take on.
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> Risk is subjective. Each organization should determine the types of risk they're willing to take on.
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Select a permission to see a further flyout with more information.
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### View installed devices
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To see the list of the devices the extension is installed on, choose the **Installed devices** tab from the browser extension flyout pane:
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions_devices.png" alt-text="Screenshot of the Browser extensions devices tab" lightbox="/defender/media/defender-vulnerability-management/browser_extensions_devices.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-browserex-installtab-small.png" alt-text="Screenshot of the Browser extensions devices tab" lightbox="/defender/media/defender-vulnerability-management/mdvm-browserex-installtab.png":::
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From here, you can search for a particular device the extension is installed on, and you can export a list of the devices to a csv file.
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### View extension versions
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Select the **Extensions versions** tab, from the browser extension flyout pane, to see information on the versions of the extension installed in your organization.
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Select the **Extension versions** tab, from the browser extension flyout pane, to see information on the versions of the extension installed in your organization.
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions_versions.png" alt-text="Screenshot of the Browser extensions versions tab" lightbox="/defender/media/defender-vulnerability-management/browser_extensions_versions.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-browserex-extension-small.png" alt-text="Screenshot of the Browser extensions versions tab" lightbox="/defender/media/defender-vulnerability-management/mdvm-browserex-extension.png":::
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### View extensions users
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Select the **Users** tab, from the browser extension flyout pane, to see a list of users who installed the browser extension.
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:::image type="content" source="/defender/media/defender-vulnerability-management/tvm-browser-ext-user-filter.png" alt-text="Screenshot of the Browser extensions user tab." lightbox="/defender/media/defender-vulnerability-management/tvm-browser-ext-user-filter.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-browserex-users-small.png" alt-text="Screenshot of the Browser extensions user tab." lightbox="/defender/media/defender-vulnerability-management/mdvm-browserex-users.png":::
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### Browser extensions on devices
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You can also view a list of extensions installed on a device:
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1. Select the device from the **Installed devices** tab in the flyout panel and select **Open device page** or select the device directly from the **Device inventory** page.
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1. Select the device from the **Installed devices** tab in the flyout pane and select **Open device page** or select the device directly from the **Device inventory** page.
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2. Select **Inventories** and then **Browser extensions** to see a list of extensions installed on that device.
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:::image type="content" source="/defender/media/defender-vulnerability-management/browser_extensions_devicepage.png" alt-text="Screenshot of the Browser extensions in the devices page" lightbox="/defender/media/defender-vulnerability-management/browser_extensions_devicepage.png":::
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:::image type="content" source="/defender/media/defender-vulnerability-management/mdvm-browserex-devicepage-small.png" alt-text="Screenshot of the Browser extensions in the devices page" lightbox="/defender/media/defender-vulnerability-management/mdvm-browserex-devicepage.png":::
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### Browser extension APIs
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### Use advanced hunting
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You can use advanced hunting queries to gain visibility on browser extensions in your organization. Find details about the browser extensions installed per device in the **DeviceTvmBrowserExtensions** table, or browser extension related information, including extensions permission information in the **DeviceTvmBrowserExtensionsKB** table.
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You can use advanced hunting queries to gain visibility on browser extensions in your organization. Find details about the browser extensions installed per device in the [**DeviceTvmBrowserExtensions**](/defender-xdr/advanced-hunting-devicetvmbrowserextensions-table) table, or browser extension related information, including extensions permission information in the [**DeviceTvmBrowserExtensionsKB**](/defender-xdr/advanced-hunting-devicetvmbrowserextensionskb-table) table.
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