Is CVE-2017-8464 being actively exploited?

Yes. CVE-2017-8464 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on February 10, 2022.

What is the CVSS score for CVE-2017-8464?

CVE-2017-8464 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2017-8464

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 90.0%EU EUVD: exploited

Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows local users or remote attackers to execute arbitrary code via a crafted .LNK file, which is not properly handled during icon display in Windows Explorer or any other application that parses the icon of the shortcut. aka "LNK Remote Code Execution Vulnerability."

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS score: 90.0% (100th percentile)
In CISA KEV: Yes, added February 10, 2022
In EU EUVD: Yes (EUVD-2017-17414)
Published: June 15, 2017
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Microsoft Windows Shell (.lnk) Remote Code Execution Vulnerability

Added to the KEV catalog on February 10, 2022; federal remediation due August 10, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-17414 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.

View on the EU Vulnerability Database

Affected products

microsoft / windows 10 1511
microsoft / windows 10 1607
microsoft / windows 10 1703
microsoft / windows 7
microsoft / windows 8.1
microsoft / windows rt 8.1
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2012
microsoft / windows server 2012
microsoft / windows server 2016

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows 7 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1332 - historical
Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1328 - historical

References

http://www.securityfocus.com/bid/98818(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1038671(Third Party Advisory, VDB Entry)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464(Patch, Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8464(US Government Resource)
https://www.exploit-db.com/exploits/42382/(Exploit, Third Party Advisory, VDB Entry)
https://www.exploit-db.com/exploits/42429/(Exploit, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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