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Weekly Signal
Live intelligence Updated 21 Aug 2026 · 22:11 UTC

Intel · Ethernet Diagnostics Driver for Windows, Ethernet Diagnostics Driver Iqvw32.sys, Ethernet Diagnostics Driver Iqvw64.sys

CVE-2015-2291

Intel Ethernet Diagnostics Driver for Windows Denial-of-Service Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Apply updates per vendor instructions.

View response plan
CVSS7.8
EPSS9.0%
KEVYes
ExploitationConfirmed exploitation
RemediationExplicit patch identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 9.0%; technical severity is CVSS 7.8.

(1) IQVW32.sys before 1.3.1.0 and (2) IQVW64.sys before 1.3.1.0 in the Intel Ethernet diagnostics driver for Windows allows local users to cause a denial of service or possibly execute arbitrary code with kernel privileges via a crafted (a) 0x80862013, (b) 0x8086200B, (c) 0x8086200F, or (d) 0x80862007 IOCTL call.

Who should care

  • Teams operating Ethernet Diagnostics Driver for Windows, Ethernet Diagnostics Driver Iqvw32.sys, Ethernet Diagnostics Driver Iqvw64.sys
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Ethernet Diagnostics Driver for Windows, Ethernet Diagnostics Driver Iqvw32.sys, Ethernet Diagnostics Driver Iqvw64.sys is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Apply updates per vendor instructions.
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Patch

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-20
Affected versions
Intel Ethernet Diagnostics Driver for Windows; Intel Ethernet Diagnostics Driver Iqvw32.sys (Version 1.03.0.7); Intel Ethernet Diagnostics Driver Iqvw64.sys (Version 1.03.0.7)
Fixed versions
No explicit fixed version is currently recorded.
Published
9 August 2017
Attack vector
Local
Privileges required
Low
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 9.0%
  4. Signal calculated at 72

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.