IBM Guardium 12.0-12.2 WfpMonitor ptr deref CVE-2026-84290
CVE-2026-84290 Published on October 8, 2026
Security vulnerability affects the Windows S-TAP component as part of IBM Guardium Data Protection
IBM Guardium Data Protection 12.0, 12.1, 12.2 is affected by an improper validation of user-supplied pointers in the WfpMonitor kernel driver. Certain METHOD_NEITHER IOCTL handlers dereference user-controlled pointers without adequate probing and exception handling, potentially allowing a privileged local attacker to cause a system crash or perform limited kernel-memory reads.
Vulnerability Analysis
CVE-2026-84290 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a high impact on availability.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-84290 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2026-84290
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Affected Versions
IBM Guardium Data Protection:- Version 12.0 is affected.
- Version 12.1 is affected.
- Version 12.2 is affected.