CVE-2017-11781

Windows 10 vulnerability

CVSS

7.5

EPSS

14.4%

EPSS pct

96th

Exploited

No known

The Microsoft Server Block Message (SMB) on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, allows a denial of service vulnerability when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service Vulnerability".

Affected vendor

Microsoft

Affected product

Windows 10

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

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 availability.

Its EPSS score of 14.4% 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-2017-11781

Confirm whether Microsoft Windows 10 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-11781.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11781

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