CVE-2017-0204

Outlook vulnerability

CVSS

5.5

EPSS

19.0%

EPSS pct

97th

Exploited

No known

Microsoft Outlook 2007 SP3, Microsoft Outlook 2010 SP2, Microsoft Outlook 2013 SP1, and Microsoft Outlook 2016 allow remote attackers to bypass the Office Protected View via a specially crafted document, aka "Microsoft Office Security Feature Bypass Vulnerability."

Affected vendor

Microsoft

Affected product

Outlook

CVSS vector

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

Published

2017-04-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 19.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2017-0204

Confirm whether Microsoft Outlook is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-0204.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-0204

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-0204 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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