TI-2025-04779 Aliases CVE-2025-5324 GHSA-65p9-x3qj-q764

TechPowerUp GPU-Z 0x8000645C IOCTL GPU-Z.sys sub_140001880 memory leak

MEDIUM 55CWE-401Published 2025-05-29 · Updated 2025-05-29

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00242 15th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TechPowerUp	GPU-Z	2.23.0	—	No fix listed	CNA

GPU-Z VendorTechPowerUp Affected 2.23.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-5324
2026-10-03 Alias added: GHSA-65p9-x3qj-q764

References

Exploit 1

https://github.com/Aiyakami/CVE-1/tree/main/test1

Other 1

https://github.com/Aiyakami/CVE-1/issues/3

TI-2025-07096 Code Execution / Escalation of Privileges in ThrottleStop CVSS 4.0HIGH 8.7
TI-2019-05136 An issue was discovered in GPU-Z.sys in TechPowerUp GPU-Z before 2.23.0. CVSS 3.1HIGH 7.2
TI-2023-00993 TechPowerUp Ryzen DRAM Calculator WinRing0x64.sys initialization CVSS 3.1HIGH 7.8
TI-2023-00992 TechPowerUp RealTemp WinRing0x64.sys initialization CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences