CVE-2025-12052

egwindrv.sys is potentially vulnerable to a buffer overflow.

Published Jan 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

[x86 tools] [X86] H2OFFT (server/embedded) version 200.02.01.00 H2OUVE version 200.02.01.00 H2OSDE version 200.02.01.00 H2ORTE version 200.02.01.00 H2OFFT version 200.02.01.00 H2OOAE version 200.02.01.00 H2OPCM version 100.01.01.00 H2OELV version 200.02.01.00   [ARM tools] H2OUVE version 200.02.01.00 H2ORTE version 200.02.01.00 H2OPCM version 100.01.01.00 H2OSDE version 200.02.01.00

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Insyde
Insyde insydeh2o
Vendors & Products Insyde
Insyde insydeh2o
Type Values Removed Values Added
Description 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.
Title egwindrv.sys is potentially vulnerable to a buffer overflow.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Insyde
Published
Updated
Jan 14, 2026, 11:27 PM
Reserved
Oct 22, 2025, 2:22 AM
Status
Deferred
Published
Jan 14, 2026, 2:15 AM
Modified
Jun 17, 2026, 8:31 AM