CVE-2026-119975: Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-119975 is a remote code execution vulnerability in Visual Studio Code, rated Important by Microsoft, with a CVSS 3.1 base score of 8.8 (High). An attacker can exploit it remotely over the network, without any privileges and only if a user takes an action. Microsoft has not reported exploitation in the wild and rates exploitation as less likely. Microsoft released the fix on 10 November 2026 in the November 2026 Patch Tuesday. It affects 1 product in 1 product family (Developer Tools).
Key facts
- CVE ID
- CVE-2026-119975
- Severity
- High CVSS 8.8
- Microsoft severity
- Important
- Impact
- Remote Code Execution
- Exploited in the wild
- No
- Publicly disclosed
- No
- Exploitation likelihood
- Less Likely
- CISA KEV
- Not listed
- Released
- Last updated
- Patch Tuesday
- November 2026 Patch Tuesday
- Product families
- Developer Tools
CVSS score and vector
Microsoft scores CVE-2026-119975 at 8.8 (temporal 7.7) using CVSS 3.1. Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
| Metric | Value |
|---|---|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality impact | High |
| Integrity impact | High |
| Availability impact | High |
| Exploit code maturity | Unproven |
| Remediation level | Official fix |
| Report confidence | Confirmed |
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to execute code over a network.
Frequently asked questions (Microsoft)
How could an attacker exploit this vulnerability?
An attacker could publish an extension with specially crafted display information. If a user clicks the malicious link in the publisher trust dialog, successful exploitation could allow the attacker to execute code in the context of the user before the extension is installed or the publisher is trusted.
Affected products (1)
Developer Tools
| Product | Security update | Type | Fixed build | Restart |
|---|---|---|---|---|
| Visual Studio Code | Release Notes | Security Update | 1.145.3 |
Acknowledgments
- Myungyong Lee
- Nguyen Van Minh Duc with Saigon Newport Corporation
- Antonio Alonso-Stepanov
- vulda1 with Viettel Cyber Security
- energytag6 with NH Investment & Securities Co., Ltd.
- Tahira Muhammad with Student @ College of Southern Nevada
- anvt
- Adam Kistler
- Anonymous
- Myungyong Lee
- dogyun
- Nsec
- Sechack
- Abhishek Nandkumar Bhaskar (Abhi-Hackz)
- Nsec
- Dohyeok Kim
- shwoo03
- patchgrove
- Juan Sukaton
- Jiyong Yang (@Sy2n0)
- Dinova
Revision history
| Version | Date | Description |
|---|---|---|
| 1.0 | Information published. |