CVE-2026-29923 is a local privilege escalation vulnerability in the pstrip64.sys driver of EnTech Taiwan PowerStrip (<=3.90.736). It arises from improper handling of IOCTL requests that permit unprivileged users to map arbitrary physical memory, allowing them to alter kernel memory structures and escalate privileges to SYSTEM. The vulnerability is categorized under CWE-269 (Improper Privilege Management) and has a CVSS v3.1 base score of 7.8, indicating high severity. There is no vendor advisory or patch available at this time.

Successful exploitation allows a local attacker to gain SYSTEM-level privileges on affected systems, potentially leading to full control over the machine. This can compromise system integrity, confidentiality, and availability. No known exploits have been reported in the wild so far.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and consider disabling or uninstalling the vulnerable PowerStrip driver if feasible.