CVE-2018-8567

Edge vulnerability

CVSS

5.4

EPSS

3.1%

EPSS pct

87th

Exploited

No known

An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain, aka "Microsoft Edge Elevation of Privilege Vulnerability." This affects Microsoft Edge.

Affected vendor

Microsoft

Affected product

Edge

CVSS vector

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

Published

2018-11-14

Risk analysis

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

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2018-8567

Confirm whether Microsoft Edge is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-8567.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8567

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8567 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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