CVE-2015-2291: Intel Ethernet Diagnostics Driver for Windows

Intel Ethernet Diagnostics Driver for Windows Denial-of-Service Vulnerability. Intel ethernet diagnostics driver for Windows IQVW32.sys and IQVW64.sys contain an unspecified vulnerability that allows for a denial-of-service (DoS).

• CISA KEV-listed (remediation due 2023-03-03)
• used in ransomware campaigns
• EPSS 9.0% (94.9% percentile)
• CVSS 7.8 high

Related briefings

• Scattered Spider (UNC3944) 2025: Teleport as Novel C2 Persistence on AWS EC2, STONESTOP/POORTRY BYOVD EDR Termination, and DragonForce Ransomware Partnerships 2026-02-16

Linked threat actors

• Muddled Libra machine-inferred link
• Scattered Spider machine-inferred link

Browse the CVE database

Read the full analysis on IntelFusions