CVE-2018-8419

MEDIUM

An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows...

Affects 7 products across 1 vendor.

CVSS 3.05.5
EPSS1.7%
Percentile76th
PatchPatched
CVSS Vector — Plain English Requires local access, low complexity, low privileges required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, no integrity impact, no availability impact.
CWE Weakness Definitions
CWE-665: CWE-665
Related Attack Patterns (CAPEC)
CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
via CWE-665
CAPEC-26 Leveraging Race Conditions
via CWE-665

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2018. A medium severity vulnerability affects Microsoft systems (CVE-2018-8419). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2018-GLOBAL-131696-M • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2018-8419?
This vulnerability was disclosed in 2018. A medium severity vulnerability affects Microsoft systems (CVE-2018-8419). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2018-8419?
CVE-2018-8419 has CVSS 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS: 1.7%.
Is CVE-2018-8419 actively exploited?
No confirmed active exploitation of CVE-2018-8419 as of 2026-05-30.
How do I remediate CVE-2018-8419?
Priority: MONITOR. Advisory: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8419 PSIRT: [email protected]
What systems are affected by CVE-2018-8419?
CVE-2018-8419 affects Microsoft Windows Server, Windows 7, Windows 8.1, Windows Rt 8.1, Windows Server 2016, Windows 10, Windows Server 2016 (Server Core installation).
Vulnerability Details
CVE IDCVE-2018-8419
BSIDBS-2018-GLOBAL-131696-M BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published2018-09-13
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
CWE-665
SourceNVD
Official Description

An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8442, CVE-2018-8443, CVE-2018-8445, CVE-2018-8446.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8442, CVE-2018-8443, CVE-2018-8445, CVE-2018-8446. CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Exploitation Likelihood: MINIMAL

Affected Products
VendorProductAffected Versions
Microsoft Windows Server 2008 2012 2016
Microsoft Windows 7 No version listed by source
Microsoft Windows 8.1 No version listed by source
Microsoft Windows Rt 8.1 No version listed by source
Microsoft Windows Server 2016 All versions
Microsoft Windows 10 1607 1703 1803
Microsoft Windows Server 2016 (Server Core installation) All versions
Microsoft Windows Server 2008 All versions
Microsoft Windows Server 2012 All versions
Remediation
View Vendor Advisory →

Remediation Priority: MONITOR

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2955 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashae6f177a30a630652898caafe988d937a2eb9e5d990bb1c85a6b3997c40b0ed0fe5c76a553ce5d42b0f7e63cb6420952a8f61db86e0473860f5f4ec9691fae0e
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