Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2017-8464

Windows Shell Remote Code Execution

Microsoft Corporation / Windows Shell · 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

Severity
CVSS 8.8 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
88.6%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2017-8464 is an unauthenticated vulnerability affecting Microsoft Corporation Windows Shell. Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft Corporation / Windows Shell 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.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Windows Shell Remote Code Execution

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."

Vendor Product Affected Status
Microsoft Corporation Windows Shell 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 Affected
Published
15 Jun 2017
Exploitation Reported
10 Feb 2022
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
Required

Tags

windows microsoft cisa metasploit

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2017-8464
  • 42382 exploit-db.com · Exploit https://www.exploit-db.com/exploits/42382/
  • 42429 exploit-db.com · Exploit https://www.exploit-db.com/exploits/42429/
  • 1038671 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1038671
  • 98818 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/98818
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464 portal.msrc.microsoft.com · CVE Record https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CV...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 10 Feb 2022

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

GitHub

Recorded 24 Feb 2016

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access
Source Added
CISA First 2022-02-10 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

88.6%

All CVSS Scores

CVSS v3.1 8.8 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 9.3 High

AV:N/AC:M/Au:N/C:C/I:C/A:C

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

cve_2017_8464_lnk_lpe

metasploit · Created Unknown

Metasploit module for CVE-2017-8464

cve_2017_8464_lnk_rce

metasploit · Created Unknown

Metasploit module for CVE-2017-8464

Timeline

From disclosure to observed exploitation

  1. Metasploit module available

    Exploit module available

  2. Public PoC available

    Public proof-of-concept code published

  3. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  4. CVE published

    Vulnerability disclosed publicly

  5. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2017-8464

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2017-8464",
  "confidence": "Confirmed",
  "cvss_score": 8.8,
  "cvss_estimated": false,
  "epss_score": 0.88582,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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