Check if your Windows PC is impacted by the Spectre and Meltdown vulnerabilities.

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Ngày cập nhật gần nhất: 15/4/2026

You might be aware of the Spectre and Meltdown vulnerabilities, which significantly affected Apple devices. To determine if your Windows computer is affected by the Spectre and Meltdown vulnerabilities, refer to the Mytour article below.

Apple has acknowledged the severe impact of these vulnerabilities on their Mac and iOS devices, releasing macOS 10.13.2 and iOS 11.2.2 to patch these vulnerabilities and mitigate potential damages.

Microsoft has also released a PowerShell cmdlet allowing Windows users to check if their computers are affected by the Meltdown and Spectre vulnerabilities. Here's how to perform that check.

Check if your Windows computer is affected by the Spectre and Meltdown vulnerabilities.

Perform the following steps in PowerShell on Windows 10 with Admin privileges:

PS> # Preserve the current execution policy for resetting
PS> $SaveExecutionPolicy = Get-ExecutionPolicy
PS> Set-ExecutionPolicy RemoteSigned -Scope Currentuser
PS> CD C:\ADV180002\SpeculationControl
PS> Import-Module .\SpeculationControl.psd1
PS> Get-SpeculationControlSettings
PS> # Restore the execution policy to its original state
PS> Set-ExecutionPolicy $SaveExecutionPolicy -Scope Currentuser

The above commands are used to install, activate the supplementary module, and secure your computer.

Check the input and see if all elements display the value True. If so, it means your Windows computer is protected. If it displays False, your system is vulnerable and needs addressing.

You can restore the default ExecutionPolicy settings by running the command Set-ExecutionPolicy Default.

Secure your Windows computer from Meltdown and Spectre.

The solution recommended by US-CERT: 'Replace the CPU hardware. The vulnerabilities are primarily exploited based on CPU architecture design. To completely eliminate these vulnerabilities, the solution is to replace the vulnerable CPU hardware.'

However, there are additional preventive measures you can apply to safeguard your Windows computer against Meltdown and Spectre vulnerabilities.

- Ensure that firmware and the operating system are fully updated with the latest available patches.
- Ensure all installed software, especially web browsers, is updated to the latest versions. You can also use Software Update Checker.
- Activate Strict Site Isolation on Chrome and prevent JavaScript from loading on your browser.

Here is how to check if your Windows computer is affected by the Spectre and Meltdown vulnerabilities. Faced with this significant security threat, everyone needs to protect their devices from potential attacks, preventing the spread of malicious code that can harm your computer and compromise your data. In addition to the mentioned testing methods, it is advisable to install the best antivirus software to ensure your device is safe from any threats.

Frequently Asked Questions

What steps can I take to check for Spectre and Meltdown vulnerabilities on Windows?

To check for these vulnerabilities, run PowerShell as an administrator and execute specific commands to import the SpeculationControl module. Verify the output; 'True' indicates protection, while 'False' signals vulnerability.

Are there effective ways to secure my Windows computer against Spectre and Meltdown vulnerabilities?

Yes, ensure your operating system and all software are updated with the latest patches. Activating Strict Site Isolation on Chrome and using reputable antivirus software can enhance your security against these threats.

What should I do if my system shows vulnerability to Spectre and Meltdown?

If your system is vulnerable, consider replacing the CPU hardware as recommended by US-CERT. Additionally, apply all available updates and employ preventive measures like antivirus software to protect your device.

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