CVE-2021-28321 Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
An attacker can exploit a symlink vulnerability in the Diagnostics Hub Standard Collector Service to gain elevated privileges on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28321?
CVE-2021-28321 is a high-severity vulnerability in Microsoft Visual Studio, published on 13 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
Weakness: CWE-59
Which versions are affected by CVE-2021-28321?
It affects 6 products.
Products include Microsoft Visual Studio, Microsoft Visual Studio 2017, Microsoft Visual Studio 2019, Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2021-28321?
No fix has been published for CVE-2021-28321 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-28321 being exploited?
There is no known exploitation of CVE-2021-28321 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Visual Studio
- CVE-2025-49739 Visual Studio Elevation of Privilege Vulnerability
- CVE-2022-35777 Visual Studio Remote Code Execution Vulnerability
- CVE-2022-35825 Visual Studio Remote Code Execution Vulnerability
- CVE-2022-35826 Visual Studio Remote Code Execution Vulnerability
- CVE-2022-35827 Visual Studio Remote Code Execution Vulnerability
Sources
Also known as GHSA-mjr6-7m42-xgpp.