Description
Improper input validation for some Intel(R) QAT software drivers for Windows before version 2.6 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low 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 (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Published: 2026-05-12
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 15 May 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Intel quickassist Technology
CPEs cpe:2.3:a:intel:quickassist_technology:*:*:*:*:*:windows:*:*
Vendors & Products Intel quickassist Technology
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}


Wed, 13 May 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Intel
Intel qat Drivers
Vendors & Products Intel
Intel qat Drivers

Tue, 12 May 2026 18:15:00 +0000

Type Values Removed Values Added
Title Denial of Service via Improper Input Validation in Intel QAT Windows Drivers

Tue, 12 May 2026 16:45:00 +0000

Type Values Removed Values Added
Description Improper input validation for some Intel(R) QAT software drivers for Windows before version 2.6 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low 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 (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Intel Qat Drivers Quickassist Technology
cve-icon MITRE

Status: PUBLISHED

Assigner: intel

Published:

Updated: 2026-05-12T17:07:11.535Z

Reserved: 2025-12-04T04:00:32.867Z

Link: CVE-2026-20905

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-05-12T17:16:19.767

Modified: 2026-05-15T20:05:00.817

Link: CVE-2026-20905

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T10:38:20Z

Weaknesses