HIGH SEVERITY

CVE-2017-0240

Edge vulnerability

CVSS
7.5
EPSS
14.7%
EPSS pct
96th
Exploited
No known
A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0221 and CVE-2017-0227.
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:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-05-12

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 14.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2017-0240

  • Confirm whether Microsoft Edge is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-0240.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-0240

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