Skip to content
Weekly Signal
Live intelligence Updated 19 Aug 2026 · 20:27 UTC

Microsoft · Windows, Windows 10 1511, Windows 10 1607 +7 more

CVE-2017-8464

Microsoft Windows Shell (.lnk) Remote Code Execution Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Microsoft Security patch CVE-2017-8464

View response plan
CVSS8.8
EPSS88.6%
KEVYes
ExploitationConfirmed exploitation
RemediationExplicit patch identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 88.6%; technical severity is CVSS 8.8.

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."

Who should care

  • Teams operating Windows, Windows 10 1511, Windows 10 1607 +7 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Windows, Windows 10 1511, Windows 10 1607 +7 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Microsoft Security patch CVE-2017-8464
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Patch

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Not classified
Affected versions
Microsoft Windows; Microsoft Windows 10 1511; Microsoft Windows 10 1607; Microsoft Windows 10 1703; Microsoft Windows 7 (Version -); Microsoft Windows 8.1 (Version -); Microsoft Windows Rt 8.1 (Version -); Microsoft Windows Server 2008 (Version - | Version r2 | Version r2)
Fixed versions
No explicit fixed version is currently recorded.
Published
14 June 2017
Attack vector
Network
Privileges required
None
User interaction
Required

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 88.6%
  4. Signal calculated at 83

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.