CVE-2017-0023

Edge vulnerability

CVSS

7.5

EPSS

34.0%

EPSS pct

98th

Exploited

No known

The PDF library in Microsoft Edge; Windows 8.1; Windows Server 2012 and R2; Windows RT 8.1; and Windows 10, 1511, and 1607 allows remote attackers to execute arbitrary code via a crafted PDF file, aka "Microsoft PDF 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

2017-03-17

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 34.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-0023

Confirm whether Microsoft Edge is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-0023.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-0023

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-0023 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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