CVE-2026-20767: Intel QAT software drivers for Windows improper input validation

CVE-2026-20767 · Severity: high · CVSS 7.8 · Published 2026-05-12

A vulnerability in Intel QuickAssist Technology (QAT) drivers for Windows could allow a local user to gain elevated system privileges. Intel QAT is a hardware acceleration technology used to speed up intensive tasks like data encryption and compression. If exploited, an attacker who already has basic access to a computer could take full control of the system, potentially compromising sensitive data or disrupting operations.

Technologies: Intel QuickAssist Technology software drivers for Windows, Intel Quickassist Technology. Vendors: Intel.

Quick answers

Is CVE-2026-20767 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-20767 being exploited in the wild.
How severe is CVE-2026-20767?
High severity, with a CVSS score of 7.8, published 12 May 2026.
Which products and versions are affected?
Intel QuickAssist Technology (QAT) software drivers for Windows before 1.13.
Is there a fix for CVE-2026-20767?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-20767 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-20767?
Check whether you run Intel QuickAssist Technology software drivers for Windows or Intel Quickassist Technology. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An improper input validation vulnerability (CWE-20) exists in certain Intel QuickAssist Technology (QAT) software drivers for Windows prior to version 1.13. The flaw is located within Ring 3 (User Applications) components of the driver suite. A local, authenticated attacker can exploit this vulnerability by providing specially crafted input to the driver, leading to an escalation of privilege. The attack is characterized by low complexity and requires no user interaction. Successful exploitation grants the attacker high confidentiality, integrity, and availability impacts on the local system. Intel has released version 1.13 to mitigate this issue.

Affected products

  • Intel QuickAssist Technology (QAT) software drivers for Windows before 1.13

Timeline

  • 2026-05-12: disclosed
  • 2026-05-12: advisory

References

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