CVE-2018-8619

Internet Explorer vulnerability

CVSS

7.5

EPSS

45.8%

EPSS pct

99th

Exploited

No known

A remote code execution vulnerability exists when the Internet Explorer VBScript execution policy does not properly restrict VBScript under specific conditions, aka "Internet Explorer Remote Code Execution Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Affected vendor

Microsoft

Affected product

Internet Explorer

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-269 — Improper Privilege Management

Published

2018-12-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 45.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2018-8619

Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-8619.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8619

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8619 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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