Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could execute code in the context of another Visual Studio Code user on the vulnerable system.
According to the CVSS metrics, successful exploitation of this vulnerability could lead to a high loss of confidentiality (C:H), and integrity (I:H) and some loss of availability (A:L). What does that mean for this vulnerability?
An attacker who successfully exploited this vulnerability could view sensitive information (Confidentiality) and modify code in the repo, (Integrity), and they might be able to interfere with availability of the code (Availability).
Security updates
1.99.1 — https://code.visualstudio.com/updates/v1_99
Revision history
-
#1
Information published.
References
-
CVE-2025-20570 Visual Studio Code Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-20570
-
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
-
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
-
Common Vulnerability Scoring System
https://www.first.org/cvss