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CVE-2018-8414

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.7/10
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: 72.62%: +0.36

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

Sources: 3 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

Securelist
Press · 12 Nov 2018, 08:00 · IT threat evolution Q3 2018. Statistics - Securelist
www.trendmicro.com
Press · 19 Oct 2018, 07:00 · SettingContent-ms Used for DeepLink Payload - www.trendmicro.com
TechTarget
Press · 15 Aug 2018, 07:00 · August Patch Tuesday closes CPU bug, two zero-day exploits - TechTarget

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 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
whereisr0da/CVE-2018-8414-POC213—21 Sep 2020, 15:58
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 72.6%
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 13:58:02.857210+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
15 Aug 2018, 07:00
Published
15 Aug 2018, 17:00
Latest press mention
12 Nov 2018, 08:00
Added to the CISA KEV catalog
25 Mar 2022, 00:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories