7.8

CVE-2018-8226: microsoft windows_10

CVSS: 7.8v2.0HighModified
Published 14-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8226 is a high (CVSS 7.8) vulnerability in microsoft windows_10. EPSS estimates a 13.90% 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
13.90%
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. 14-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

13.90%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 13.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
13.90%

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

No weakness data has been published for this record.

Affected systems

Microsoft4 products
  • windows_1032-bit Systems | Version 1607 for 32-bit Systems | Version 1607 for x64-based Systems | Version 1703 for 32-bit Systems | Version 1703 for x64-based Systems | Version 1709 for 32-bit Systems | Version 1709 for x64-based Systems | Version 1803 for 32-bit Systems | Version 1803 for x64-based Systems | x64-based Systems | na | 1607 | 1703 | 1709 | 1803
  • windows 10 serversversion 1709 (Server Core Installation) | version 1803 (Server Core Installation)
  • windows_server_1803na
  • windows server 2016(Server Core installation) | na | 1709

1 vendor · 4 products

References

3 links