CVE-2018-0886

CVE-2018-0886 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 7.0. Its EPSS exploit-prediction score of 82% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

• Severity: High (CVSS 3.x base score 7.0)
• CVSS v2: 7.6
• EPSS exploit prediction: 82% (100th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Microsoft Windows 10
• Published: 2018-03-14
• Last modified: 2026-06-17

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".

Frequently asked questions

What is CVE-2018-0886?

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".

How severe is CVE-2018-0886?

CVE-2018-0886 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 82% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0886?

CVE-2018-0886 primarily affects Microsoft Windows 10. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0886?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-0886 published?

CVE-2018-0886 was published on 2018-03-14 and last updated on 2026-06-17.

References

• http://www.securityfocus.com/bid/103265
• http://www.securitytracker.com/id/1040506
• https://blog.preempt.com/security-advisory-credssp
• https://github.com/preempt/credssp
• https://ics-cert.us-cert.gov/advisories/ICSA-18-198-03
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0886
• https://www.exploit-db.com/exploits/44453/

Affected products (17)

• cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*

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