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Page generated: 08 Nov 2026, 14:37 UTC

CVE-2017-8464

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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 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.8/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 8.8: +1.32
Fresh EPSS: 90.03%: +0.45

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

Qualys

Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys

Malwarebytes

Press · 30 Jul 2021, 07:00 · LemonDuck no longer settles for breadcrumbs - Malwarebytes

Security Affairs

Press · 26 Jun 2020, 07:00 · New Lucifer DDoS botnet targets Windows systems with multiple exploits - Security Affairs

BleepingComputer

Press · 25 Jun 2020, 07:00 · New Lucifer DDoS malware creates a legion of Windows minions - BleepingComputer

KnowBe4 Blog

Press · 25 Jun 2020, 07:00 · [Heads Up] A New Devilish Malware Worm Called Lucifer Is Targeting Your Windows Workstations - KnowBe4 Blog

See all 10 source documents

ZDNET

Press · 25 Jun 2020, 07:00 · Lucifer: Devilish malware that abuses critical vulnerabilities on Windows machines - ZDNET

Unit 42

Press · 24 Jun 2020, 07:00 · Lucifer: New Cryptojacking and DDoS Hybrid Malware Exploiting High and Critical Vulnerabilities to Infect Windows Devices - Unit 42

www.trendmicro.com

Press · 03 Jun 2019, 07:00 · BlackSquid Infects Servers and Drives, 8 Exploits Used - www.trendmicro.com

TechTarget

Press · 14 Jun 2017, 07:00 · More Windows XP fixes in June Patch Tuesday release - TechTarget

The Register

Press · 13 Jun 2017, 07:00 · It's 2017 and Microsoft is still patching Windows XP+ – to plug holes exploited by trio of leaked NSA weapons - The Register

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.8 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 1 repos with metrics

Repository	Stars	Forks	Language	Updated
PlayBoiSK8/POC-CVE-2017-8464-OpenCalculator	0	0	C++	09 Aug 2026, 10:56

Public exploit evidence

exploitdb #42382 2017-07-26
exploitdb #42429 2017-08-06

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 8.8; EPSS 90.0%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:53.595498+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

First press mention

13 Jun 2017, 07:00

Published

15 Jun 2017, 01:00

Added to the CISA KEV catalog

10 Feb 2022, 00:00

Latest press mention

22 Feb 2022, 08:00

Score calculated

05 Nov 2026, 13:57

PoCs on GitHub

2 repositories