NULL pointer dereference in QAT drivers for Windows - CVE-2026-20771
Published: May 14, 2026
Vulnerability identifier: #VU131387
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20771
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
QAT drivers for Windows
QAT drivers for Windows
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2026-20771
Install updates from vendor's website.