CVE-2021-26700
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
- Record
CVE-2021-26700- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2022-5129
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
- Record
EUVD-2022-5129- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r84v-qff8-jv5gNo score
Remote code execution in vscode-npm-script
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
- Record
GHSA-r84v-qff8-jv5g- Updated
- 2026-11-02
NVD
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
- Record
CVE-2021-26700- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSVGHSA-r84v-qff8-jv5gNo score
Remote code execution in vscode-npm-script
Visual Studio Code npm-script Extension Remote Code Execution Vulnerability
- Record
GHSA-r84v-qff8-jv5g- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
vscode-npm-scriptnpm | 0.0.0 and later | None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | jackadamson/CVE-2021-26700 | 2021-02-14 |
| PoC in GitHub | june-in-exile/CVE-2021-26700 | 2023-03-16 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26700 is a high vulnerability (CVSS 7.8) in Microsoft Npm, published February 25, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.00%, the 93rd percentile. No source names a fixed version.