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Microsoft Visual Studio's installer has a recently identified vulnerability that is potentially high-risk for users. Security researchers have found an attack that enables malicious actors to distribute dangerous extensions while posing as respectable publishers. Attackers can trick developers into downloading harmful software by circumventing limitations and faking publisher digital signatures. Microsoft released an update in April 2023 to fix the CVE-2023-28299 vulnerability. Through the use of this flaw, attackers can launch phishing attacks by sending phoney software updates that contain the spoof extensions. Once installed, the attacker has unrestricted access to the machine they are targeting, which increases the risk of network penetration and sensitive data theft. This weakness is particularly alarming due to its ease of use and the lack of rights needed for exploitation, which highlights the necessity of swiftly installing security fixes.


  • Install the most recent security updates: Ensure that you have installed the Microsoft security updates that explicitly address the CVE-2023-28299 issue.
  • Use extensions with caution: Install extensions only from reliable publishers and respected sources. Installing extensions from unauthorised or shady sources is not recommended.
  • Software upgrades should be avoided: When asked to install software updates, proceed with caution, especially if the request comes from an unexpected or dubious source. Before continuing, make sure the update is genuine.
  • Stay current: Follow the most recent Visual Studio-related news and security alerts. Keep an eye out for any new updates or patches that Microsoft releases to fix this specific issue.


  • Verify that you are using a version of Visual Studio that is vulnerable by checking your version number. Check Microsoft's security alerts and advisories to see whether your version is compromised.
  • Keep an eye out for odd behaviour: Keep an eye out for any sudden actions or strange behaviour in Visual Studio or any of its extensions.
  • Examine the system logs. Check the system logs and event logs often for any unusual Visual Studio-related activity.
  • Employ security software: To find possible weaknesses in Visual Studio, use vulnerability scanners or intrusion detection systems.
  • Continue to learn: Keep up with news about this specific vulnerability from Microsoft and the security communities.




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