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Vulnerability Intelligence

CVE-2018-0886

HighPublic exploit

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…

Published Mar 14, 2018 · Updated Feb 4, 2026 · Also known as SUSE-SU-2019:0134-1, SUSE-SU-2019:0539-1

Key Facts

Patch immediately
  • CVE-2018-0886 is a high-severity vulnerability (CVSS 7.0 v3) affecting Windows 10 (Microsoft), Windows 7 (Microsoft), Windows 8.1 (Microsoft) and 22 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 82% probability of exploitation in the next 30 days.
  • Fixed versions are available, including freerdp 2.0.0~git.1463131968.4e66df7-12.8.1, freerdp 2.0.0~git.1463131968.4e66df7-13.1, freerdp 2.0.0~rc4-3.3.1.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.0

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

EPSS (30-day exploit likelihood)

82%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-0886 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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".

Affected Products

84 affected entries in total
ProductAffected versionsFixed in
Windows 10Microsoft1511, 1607, 1703, 1709, 1803n/a
Windows 7MicrosoftSee advisoryn/a
Windows 8.1MicrosoftSee advisoryn/a
Windows Rt 8.1MicrosoftSee advisoryn/a
Windows Server 2008Microsoftr2-sp1n/a
20 more affected products in the full CVE brief

Patched Releases

freerdp

2.0.0~git.1463131968.4e66df7-12.8.1, 2.0.0~git.1463131968.4e66df7-13.1, 2.0.0~rc4-3.3.1, 2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

freerdp-devel

2.0.0~git.1463131968.4e66df7-12.8.1, 2.0.0~git.1463131968.4e66df7-13.1, 2.0.0~rc4-3.3.1, 2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

freerdp-proxy

2.1.2-12.20.1, 2.4.0-2.1

freerdp-server

2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

freerdp-wayland

2.0.0~rc4-lp150.2.3.1, 2.4.0-2.1

libfreerdp2

2.0.0~git.1463131968.4e66df7-12.8.1, 2.0.0~git.1463131968.4e66df7-13.1, 2.0.0~rc4-3.3.1, 2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

libuwac0-0

2.0.0~rc4-lp150.2.3.1, 2.4.0-2.1

libwinpr2

2.0.0~rc4-3.3.1, 2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

python310-pyspnego

0.5.0-1.1

python311-pyspnego

0.11.2-1.4

python312-pyspnego

0.11.2-1.4

python313-pyspnego

0.11.2-1.4

python38-pyspnego

0.5.0-1.1

python39-pyspnego

0.5.0-1.1

uwac0-0-devel

2.0.0~rc4-lp150.2.3.1, 2.4.0-2.1

vinagre

3.20.2-16.3.3

vinagre-lang

3.20.2-16.3.3

winpr2-devel

2.0.0~rc4-3.3.1, 2.0.0~rc4-lp150.2.3.1, 2.1.2-12.20.1, 2.4.0-2.1

Timeline

  1. Publicly disclosed

    Mar 14, 2018

  2. Last updated

    Feb 4, 2026

Weakness Type

  • CWE-287 Improper Authentication

References

15 more references in the full CVE brief

FAQ

Common Questions.

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