Buffer Overflow Vulnerability in Intel QAT Software Drivers for Windows
CVE-2026-20782

6.9MEDIUM

Key Information:

Vendor

Intel
Status
Intel(r) Qat Software Drivers For Windows
Vendor
CVE Published:
12 May 2026

What is CVE-2026-20782?

A buffer overflow vulnerability exists in Intel QAT software drivers for Windows prior to version 1.13, affecting user applications in Ring 3. An unprivileged software adversary with authenticated user privileges could exploit this flaw to launch a denial of service attack, potentially blocking legitimate access. This can occur through local access without requiring specialized internal knowledge or user interaction, thus posing a risk to the system's operational availability.

Affected Version(s)

Intel(R) QAT software drivers for Windows before version 1.13

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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