PatchTheCVECVE-2017-9770: A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse that can cause an out of boun
CVE-2017-9770 is a medium-severity flaw (CVSS 5.5) affecting razer synapse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse that can cause an out of bounds read operation to occur due to a field within the IOCTL data being used as a length.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-125 |
| Published | 2017-08-02 |
| 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-2017-9770?
razer synapse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-9770 being exploited?
CVE-2017-9770 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-2017-9770 affect?
CVE-2017-9770 affects razer synapse. Severity is medium (CVSS 5.5). A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse that can cause an out of bounds read operation to occur due to a field within the IOCTL data being used as a length.
How urgent is CVE-2017-9770?
Priority 31/100. Public exploit reference