CVE-2017-16003: windows-build-tools is a module for installing C++ Build Tools for Windows using npm
CVE-2017-16003 is a high-severity flaw (CVSS 8.1) affecting windows-build-tools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
windows-build-tools is a module for installing C++ Build Tools for Windows using npm. windows-build-tools versions below 1.0.0 download resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested resources with an attacker controlled copy if the attacker is on the network or positioned in between the user and the remote server.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.2% (top 17%) |
| CISA exploited list | No |
| Weakness | CWE-311 |
| Published | 2018-05-29 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-16003?
windows-build-tools: upgrade to 1.0.0. Exact commands for each OS are on this page.
Is CVE-2017-16003 being exploited?
CVE-2017-16003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-16003 affect?
CVE-2017-16003 affects windows-build-tools. Severity is high (CVSS 8.1). windows-build-tools is a module for installing C++ Build Tools for Windows using npm. windows-build-tools versions below 1.0.0 download resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code
How urgent is CVE-2017-16003?
Priority 54/100. High severity; Remotely exploitable, no login, no user action