CVE-2025-26694

Application denial of service via NULL dereference

Published Nov 11, 2025 · Updated Nov 11, 2025

NULL pointer dereference in Intel QuickAssist Technology Driver for Windows before 2.6.0 allows local users to interrupt QAT user applications. Intel identifies the locus only as Ring 3 user applications and has not disclosed which pointer becomes NULL or what input causes its dereference. Exploitation requires authenticated low-privileged local access, needs no user interaction, and affects availability without reported confidentiality or integrity impact.

CVSS severity6.8
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Intel QuickAssist Technology Driver for Windows before 2.6.0 allows local users to interrupt QAT user applications. Intel identifies the locus only as Ring 3 user applications and has not disclosed which pointer becomes NULL or what input causes its dereference. Exploitation requires authenticated low-privileged local access, needs no user interaction, and affects availability without reported confidentiality or integrity impact.

The record

CVE
CVE-2025-26694
Published
Nov 11, 2025
Updated
Nov 11, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel QuickAssist Technology Driver for Windows
Classifications
CWE-476, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 11, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before version 2.6.0.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel QuickAssist Technology Driver for Windowsversion=before version 2.6.0.

Published CVSS scores

6.8IntelCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5IntelCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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