CVE-2016-10663: wixtoolset is a Node module wrapper around the wixtoolset binaries wixtoolset downloads binary resources over
CVE-2016-10663 is a high-severity flaw (CVSS 8.1) affecting node-wixtoolset. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
wixtoolset is a Node module wrapper around the wixtoolset binaries wixtoolset downloads binary 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
No fix is published yet: follow the downgrade or mitigation steps.
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 18%) |
| CISA exploited list | No |
| Weakness | CWE-311 |
| Published | 2018-06-04 |
| 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-2016-10663?
node-wixtoolset: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2016-10663 being exploited?
CVE-2016-10663 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-2016-10663 affect?
CVE-2016-10663 affects node-wixtoolset. Severity is high (CVSS 8.1). wixtoolset is a Node module wrapper around the wixtoolset binaries wixtoolset downloads binary resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requ
How urgent is CVE-2016-10663?
Priority 54/100. High severity; Remotely exploitable, no login, no user action