7.8

CVE-2017-11781: microsoft corporation server block message (smb) Improper Input Validation

CVSS: 7.8v2.0HighModified
Published 13-10-2017Last modified 16-09-2024

Vulnerability summary

CVE-2017-11781 is a high (CVSS 7.8) Improper Input Validation vulnerability in microsoft corporation server block message (smb). EPSS estimates a 14.40% chance of exploitation in the next 30 days, higher than 96.5% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
14.40%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2017
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

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".

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

14.40%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 14.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
14.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft3 products
Microsoft corporation1 product
  • server block message (smb)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

2 vendors · 4 products

References

3 links