What is CVE-2026-20881?

CVE-2026-20881 is a medium-severity vulnerability in Intel Quickassist_technology, classified under Divide By Zero. CVSS score: 5.5/10. Published 2026-05-12.

How severe is CVE-2026-20881?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Intel Quickassist_technology

CVE-2026-20881

Divide by zero for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity…

EPSS: 0.000 (2.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Intel Quickassist_technology
N/a Intel(r) Qat Software Drivers For Windows — versions before version 1.13

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

secure@intel.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20881?: CVE-2026-20881 is a medium-severity vulnerability in Intel Quickassist_technology, classified under Divide By Zero. CVSS score: 5.5/10. Published 2026-05-12.
How severe is CVE-2026-20881?: Medium severity. CVSS v3 base score is 5.5 out of 10.