CVE-2023-21779 Visual Studio Code Remote Code Execution Vulnerability
An attacker can execute arbitrary code on a user's machine by exploiting a deserialization flaw in Visual Studio Code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-21779?
CVE-2023-21779 is a high-severity unsafe deserialization vulnerability in Microsoft Visual Studio Code, published on 10 Jan 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Visual Studio Code Remote Code Execution Vulnerability
Weakness: CWE-502
Which versions are affected by CVE-2023-21779?
It affects 1 product.
Products include Microsoft Visual Studio Code.
How do I fix CVE-2023-21779?
No fix has been published for CVE-2023-21779 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-21779 being exploited?
There is no known exploitation of CVE-2023-21779 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Visual Studio Code
- CVE-2026-81376 Visual Studio Code Security Feature Bypass Vulnerability
- CVE-2026-47281 Visual Studio Code Elevation of Privilege Vulnerability
- CVE-2026-78462 Visual Studio Code Security Feature Bypass Vulnerability
- CVE-2026-59113 Visual Studio Code Remote Code Execution Vulnerability
- CVE-2026-69320 Visual Studio Code Remote Code Execution Vulnerability