THREATPORT/VULNERABILITY/CVE-2019-0678
MEDIUM SEVERITY

CVE-2019-0678

Edge vulnerability

CVSS
6.8
EPSS
6.1%
EPSS pct
93th
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.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.
Affected vendor
Microsoft
Affected product
Edge
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness type (CWE)
  • CWE-863 — Incorrect Authorization
Published
2019-04-09

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.

Its EPSS score of 6.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2019-0678

  • Confirm whether Microsoft Edge is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-0678.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-0678

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-0678 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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