CVE-2025-66678

An issue in the HwRwDrv.sys component of Nil Hardware Editor Hardware Read & Write Utility v1.25.11.26 and earlier allows attackers to execute arbitrary read…

Critical · published March 4, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
51.9
In the wild
Unconfirmed
What it is

An issue in the HwRwDrv.sys component of Nil Hardware Editor Hardware Read & Write Utility v1.25.11.26 and earlier allows attackers to execute arbitrary read and write operations via a crafted request.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00681 · 51.9th percentile
Published
2026-03-04T00:00Z
EPSS history
Timeline
  • 04 MAR 00:00Z
    An issue in the HwRwDrv.sys component of Nil Hardware Editor Hardware Read & Write Utility v1.25.11.26 and earlier allows attackers to execute arbitrary read…
    cvelistv5