SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9770

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.

MEDIUM 5.5EPSS 0.33%

Does this matter?

Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.33% probability · 26th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Affected
razerzone/razer synapse
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.33%27 October 202627 October 2026

EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.