CVE-2018-0886 in the critical feed json
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and…
published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1677
- cvss
- 7.0
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 82.0%
- EPSS 82.0% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 1
- Exploit-DB
Summary
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".
Patch / fix
- freerdp SLE Workstation Extension 12 SP5, SLE Software Development Kit 12 SP5 2.1.2-12.20.1
- vinagre SLE Workstation Extension 12 SP5 3.20.2-16.3.3
- freerdp SLE Workstation Extension 15 2.0.0~rc4-3.3.1
- freerdp SLED 12 SP4, SLED 12 SP3, SLE Workstation Extension 12 SP4 +3 more 2.0.0~git.1463131968.4e66df7-12.8.1
suse advisories SUSE-SU-2020:2272-1SUSE-SU-2019:0539-1SUSE-SU-2019:0134-1
- python-pyspnego openSUSE Tumbleweed 0.11.2-1.4
- freerdp2 openSUSE Tumbleweed 2.4.0-2.1
- python-pyspnego openSUSE Tumbleweed 0.5.0-1.1
opensuse advisories openSUSE-SU-2025:15103-1openSUSE-SU-2024:10768-1openSUSE-SU-2024:12385-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-18-198-03 updated cvss 7.5
PEPPERL+FUCHS VisuNet RM, VisuNet PC, and Box Thin Client
-
PEPPERL+FUCHS Box Thin Client BTC PEPPERL+FUCHS VisuNet PC PEPPERL+FUCHS VisuNet RMaffected: mitigation “PEPPRL+FUCHS HMI devices running RM Shell 4 should be updated with ‘RM Image 4 Security Patches 01/2017 to 05/2018' (18-33400C):” pepperl-fuchs.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Timeline
- Published
- First public exploit (EDB-44453)
Exploit prediction
81.97% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-44453 Microsoft Credential Security Support Provider - Remote Code Execution remote, 2018-04-13
- blog.preempt.com https://blog.preempt.com/security-advisory-credssp referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/preempt/credssp referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.0 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Corporation Windows
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-0886
patch, vendor-advisory
-
exploit-db.com
/exploits/44453/
exploit, third-party-advisory, vdb-entry
-
blog.preempt.com
/security-advisory-credssp
exploit, third-party-advisory
-
github.com
/preempt/credssp
exploit, third-party-advisory
-
securitytracker.com
/id/1040506
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/103265
vdb-entry, third-party-advisory
-
ics-cert.us-cert.gov
/advisories/ICSA-18-198-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2018-0886
- NVD CVE-2018-0886
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