Use DescribeInstancePatches with a CLI

Example 1: To get the patch state details for an instance

The following describe-instance-patches example retrieves details about the patches for the specified instance.

aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0"

Output:

{
    "Patches": [
        {
            "Title": "2019-01 Security Update for Adobe Flash Player for Windows Server 2016 for x64-based Systems (KB4480979)",
            "KBId": "KB4480979",
            "Classification": "SecurityUpdates",
            "Severity": "Critical",
            "State": "Installed",
            "InstalledTime": "2019-01-09T00:00:00+00:00"
        },
        {
            "Title": "",
            "KBId": "KB4481031",
            "Classification": "",
            "Severity": "",
            "State": "InstalledOther",
            "InstalledTime": "2019-02-08T00:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}

Example 2: To get a list of patches in the Missing state for an instance

The following describe-instance-patches example retrieves information about patches that are in the Missing state for the specified instance.

aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0" \
    --filters Key=State,Values=Missing

Output:

{
    "Patches": [
        {
            "Title": "Windows Malicious Software Removal Tool x64 - February 2019 (KB890830)",
            "KBId": "KB890830",
            "Classification": "UpdateRollups",
            "Severity": "Unspecified",
            "State": "Missing",
            "InstalledTime": "1970-01-01T00:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}

For more information, see About Patch Compliance States in the AWS Systems Manager User Guide.

Example 3: To get a list of patches installed since a specified InstalledTime for an instance

The following describe-instance-patches example retrieves information about patches installed since a specified time for the specified instance by combining the use of --filters and --query.

aws ssm describe-instance-patches \
    --instance-id "i-1234567890abcdef0" \
    --filters Key=State,Values=Installed \
    --query "Patches[?InstalledTime >= `2023-01-01T16:00:00`]"

Output:

{
    "Patches": [
        {
            "Title": "2023-03 Cumulative Update for Windows Server 2019 (1809) for x64-based Systems (KB5023702)",
            "KBId": "KB5023702",
            "Classification": "SecurityUpdates",
            "Severity": "Critical",
            "State": "Installed",
            "InstalledTime": "2023-03-16T11:00:00+00:00"
        },
        ...
    ],
    "NextToken": "--token string truncated--"
}

Example 1: This example gets the patch compliance details for an instance.

Get-SSMInstancePatch -InstanceId "i-08ee91c0b17045407"