CVE-2026-14960 Pegatron Corp. CVE debrief

Who should care

System administrators and users of systems employing the Pegatron Tdelo64.sys driver should be aware of this vulnerability. Given its critical severity and potential for local exploitation, immediate attention is necessary to mitigate risks.

Technical summary

The Pegatron Tdelo64.sys driver is vulnerable due to its improper exposure of privileged hardware access functionality. The TdeIo device interface allows unprivileged access to hardware I/O operations via specific IOCTL handlers. This could lead to unauthorized manipulation of hardware registers and firmware interfaces, potentially causing system instability or persistent compromise. A local attacker can abuse this functionality to manipulate hardware registers, tamper with firmware-related interfaces, cause system instability, or establish persistent low-level compromise.

Defensive priority

High

Recommended defensive actions

• Apply vendor-provided patches or updates for the Tdelo64.sys driver.
• Restrict access to the TdeIo device interface for unprivileged users.
• Monitor system logs for suspicious activity related to hardware I/O operations.
• Implement additional security measures such as hardware-based access controls if possible.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD detail provide information on the vulnerability. Further investigation and verification are recommended to fully understand the scope and impact of this vulnerability. The vulnerability involves the Pegatron Tdelo64.sys driver, which exposes privileged hardware access functionality through the TdeIo device interface. Specifically, IOCTL handlers such as TDE_IOCTL_INDEXIO_READ and TDE_IOCTL_INDEXIO_WRITE allow unprivileged user-mode callers to perform arbitrary hardware I/O port reads and writes without proper authorization checks.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.