Vulnerability record

CVE-2015-2291

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

HighExploitation confirmedCISA KEV Used by ransomware

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Ethernet Diagnostics Driver for Windows, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Mar 3, 2023.

Patch status

Official fix available since Sep 30, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Patch or advisory on security-center.intel.com (opens in a new tab)

Description

(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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Source
Ethernet Diagnostics Driver for Windows	Intel	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2015-2291 scored CVSS 7.8: Intel Ethernet Diagnostics Driver for Windows, Intel Ethernet Diagnostics Driver for Windows Denial-of-Service Vulnerability
CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Ethernet Diagnostics Driver for Windows systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
Patch releasedUpdateKEVSep 30, 2026
Patch released for CVE-2015-2291: Intel Ethernet Diagnostics Driver for Windows, Intel Ethernet Diagnostics Driver for Windows Denial-of-Service Vulnerability
An official fix is now available for Intel Ethernet Diagnostics Driver for Windows. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

intel.com https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00051.html
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2015-2291
packetstormsecurity.com http://packetstormsecurity.com/files/130854/Intel-Network-Adapter-Diagnostic-Driver-IOCTL-DoS.html
securityfocus.com http://www.securityfocus.com/bid/79623
security-center.intel.com https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00051&languageid=en-fr
exploit-db.com https://www.exploit-db.com/exploits/36392/
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2291