Input validation error in QAT drivers for Windows - CVE-2026-20905
Published: May 14, 2026
Vulnerability identifier: #VU131386
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20905
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
QAT drivers for Windows
How to mitigate CVE-2026-20905
Install updates from vendor's website.
QAT drivers for Windows - update to 2.6.0