CVE-2026-20714 Memory corruption in Intel(R) QAT software drivers for Windows

High 8.5 Published 12 May 2026 Updated 13 May 2026

An out-of-bounds write in Intel QAT Windows drivers allows local attackers to escalate privileges via a low-complexity attack.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-20714?

CVE-2026-20714 is a high-severity memory corruption vulnerability in Intel(R) QAT software drivers for Windows, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out-of-bounds write for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Weakness: CWE-787

Which versions are affected by CVE-2026-20714?

It affects 1 product.

Products include Intel Quickassist Technology.

How do I fix CVE-2026-20714?

No fix has been published for CVE-2026-20714 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-20714 being exploited?

There is no known exploitation of CVE-2026-20714 in the wild and no public exploit code.

Sources

Also known as GHSA-mc9j-wv93-6vr5.