CVE-2025-12051
H2OFFT64.sys is potentially vulnerable to a buffer overflow.
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
14 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
The drivers in the tool packages use RTL_QUERY_REGISTRY_DIRECT flag to read a registry value to which an untrusted user-mode application may be able to cause a buffer overflow.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Insyde Software · InsydeH2O tools