CVE-2017-8464
Microsoft Windows Shell (.lnk) Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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."
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 90.03% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · first 26 July 2017
- CISA KEV
- Listed 10 February 2022 · due 10 August 2022
- Affected
- 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 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 90.0% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-8464
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/98818Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038671Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464Patch, Vendor Advisory
- 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
- http://www.securityfocus.com/bid/98818Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038671Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464Patch, Vendor Advisory
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8464US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.