CVE-2017-8617

Edge vulnerability

CVSS

7.5

EPSS

11.0%

EPSS pct

95th

Exploited

No known

Microsoft Edge in Windows 10 1703 Microsoft Edge allows a remote code execution vulnerability in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Remote Code Execution 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:H

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2017-07-11

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 11.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2017-8617

Confirm whether Microsoft Edge is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-8617.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-8617

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-8617 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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