CVE-2025-31937 Denial of service in Intel(R) QAT Windows software
An authenticated local attacker can cause a denial of service in Intel QAT Windows software via an out-of-bounds read.
- 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-2025-31937?
CVE-2025-31937 is a medium-severity denial of service vulnerability in Intel(R) QAT Windows software, published on 11 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds read for some Intel(R) QAT Windows software before version 2.6.0. within Ring 3: User Applications may allow a denial of service. System software adversary with an authenticated user combined with a high complexity attack may enable denial of service. 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 (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Weakness: CWE-125
Which versions are affected by CVE-2025-31937?
It affects 1 product.
Products include Intel Quickassist Technology.
How do I fix CVE-2025-31937?
No fix has been published for CVE-2025-31937 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-31937 being exploited?
There is no known exploitation of CVE-2025-31937 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) QAT Windows software
- CVE-2026-20714 Memory corruption in Intel(R) QAT software drivers for Windows
- CVE-2026-20767 Privilege escalation in Intel(R) QAT software drivers for Windows
- CVE-2022-21804 Memory corruption in Intel QAT Driver for Windows
- CVE-2022-41699 Privilege escalation in Intel(R) QAT drivers for Windows
- CVE-2023-28741 Memory corruption in Intel(R) QAT drivers for Windows - HW Version 1.0
Sources
Also known as GHSA-p8fr-4739-m38m.