7.6

CVE-2018-0886: microsoft corporation windows Improper Authentication

CVSS: 7.6v2.0HighModified
AliasesopenSUSE-SU-2024:12385-1openSUSE-SU-2025:15103-1
Published 14-03-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-0886 is a high (CVSS 7.6) Improper Authentication vulnerability in microsoft corporation windows. EPSS estimates a 81.97% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
57/100
0100
High · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
81.97%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3github, reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
OPENSUSE-SU-2024:10768-1SUSE-SU-2019:0134-1SUSE-SU-2019:0539-1SUSE-SU-2020:2272-1

Timeline

  1. 14-03-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

81.97%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 81.97% on 18-09-2026

18-09-202618-10-2026
EPSS score
81.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • githubUnverified

    Credssp

    Maturity: poc

  • referenceUnverified

    Exploit Reference (blog.preempt.com)

    Maturity: unknown

  • exploit-databaseremotewindowsUnverified

    Microsoft Credential Security Support Provider - Remote Code Execution

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Microsoft7 products
Microsoft corporation1 product
  • windowsMicrosoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709
Opensuse1 product
  • python-pyspnego&distro=openSUSE Tumbleweed< 0.5.0-1.1 | < 0.11.2-1.4

3 vendors · 9 products

References

9 links