Quick answers
- Is CVE-2026-20905 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20905 being exploited in the wild.
- How severe is CVE-2026-20905?
- Medium severity, with a CVSS score of 6.6, published 12 May 2026.
- Which products and versions are affected?
- Intel QAT software drivers for Windows before 2.6, before version 2.6.
- Is there a fix for CVE-2026-20905?
- 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-2026-20905 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-20905?
- Check whether you run Intel QAT software drivers for Windows or Intel Quickassist Technology at an affected version. 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
A vulnerability classified as improper input validation (CWE-20) exists in certain Intel QuickAssist Technology (QAT) software drivers for Windows within Ring 3 (User Applications). The flaw allows an unprivileged but authenticated local adversary to trigger a denial of service (DoS) condition. The attack is of low complexity and requires no user interaction or special internal knowledge of the system. While the primary impact is on system availability (High), there is also a low impact on confidentiality and integrity. Intel has released software updates to mitigate this issue; users should update to version 2.6 or later.
Affected products
- Intel QAT software drivers for Windows before version 2.6
Timeline
- 2026-05-12: disclosed
- 2026-05-12: advisory