CVE-2017-11776

Outlook vulnerability

CVSS

7.5

EPSS

9.4%

EPSS pct

95th

Exploited

No known

Microsoft Outlook 2016 allows an attacker to obtain the email content of a user, due to how Outlook 2016 discloses user email content, aka "Microsoft Outlook Information Disclosure Vulnerability."

Affected vendor

Microsoft

Affected product

Outlook

CVSS vector

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

Weakness type (CWE)

CWE-200 — Exposure of Sensitive Information

Published

2017-10-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 9.4% reflects a lower 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-2017-11776

Confirm whether Microsoft Outlook is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-11776.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11776

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