How severe is CVE-2017-8464?

CVE-2017-8464 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2017-8464?

Affected package information for CVE-2017-8464 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2017-8464?

No fixed version has been published for CVE-2017-8464 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2017-8464 actively exploited in the wild?

Yes. There are 17 known exploit references for CVE-2017-8464, including 2 documented proof-of-concept exploits on Exploit-DB and 12 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

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

CVE-2017-8464 has an EPSS (Exploit Prediction Scoring System) score of 93.9%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2017-8464 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2017-8464 (Microsoft Windows Shell (.lnk) Remote Code Execution Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-02-10. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-08-10. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2017-8464?

CVE-2017-8464 affects microsoft windows 7; microsoft windows 8.1; microsoft windows 10 1511; microsoft windows 10 1607, and 5 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2017-8464 published, and has it been updated?

CVE-2017-8464 was published on June 15, 2017 and was last updated on April 22, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-02-10 — agencies required to remediate by 2022-08-10

CVE-2017-8464

HIGH

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,…

Published

Jun 15, 2017

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

17 known

EPSS Exploitation Probability

via FIRST.org ↗

93.9%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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."

Affected Products

9 products · 12 configurations

windows 7microsoft

all

windows 8.1microsoft

all

windows 10 1511microsoft

all

windows 10 1607microsoft

all

windows 10 1703microsoft

all

windows rt 8.1microsoft

all

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-42382localwindows

Microsoft Windows - '.LNK' Shortcut File Code Execution (Metasploit)

by Yorick Koster · Jul 26, 2017

Exploit-DB Source

EDB-42429localwindows

Microsoft Windows - '.LNK' Shortcut File Code Execution

by nixawk · Aug 6, 2017

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2017-8464 in your stack?

O3 detects CVE-2017-8464 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

8.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

Required

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

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

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Jun 15, 2017

First exploit

Jul 26, 2017

KEV added

Feb 10, 2022

Last updated

Apr 22, 2026

Identifiers

CVE-2017-8464

References

Advisorysecurityfocus.com Advisorysecuritytracker.com Advisorysecurityfocus.com Advisorysecuritytracker.com Fixportal.msrc.microsoft.com Fixportal.msrc.microsoft.com Exploit / PoCexploit-db.com Exploit / PoCexploit-db.com Exploit / PoCexploit-db.com Exploit / PoCexploit-db.com Webcisa.gov

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