CVE-2025-5324: TechPowerUp GPU-Z 0x8000645C IOCTL GPU-Z.sys sub_140001880 memory leak

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-29 · updated 2026-06-17
Weakness: CWE-401

Description

A vulnerability, which was classified as problematic, was found in TechPowerUp GPU-Z 2.23.0. Affected is the function sub_140001880 in the library GPU-Z.sys of the component 0x8000645C IOCTL Handler. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

TechPowerUp GPU-Z: 2.23.0

References

https://github.com/Aiyakami/CVE-1/issues/3
https://github.com/Aiyakami/CVE-1/tree/main/test1
https://vuldb.com/?ctiid.310494
https://vuldb.com/?id.310494
https://vuldb.com/?submit.580513

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