CVE-2018-0890
A security feature bypass vulnerability exists when Active Directory incorrectly applies Network Isolation settings, aka "Active Directory Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
Does this matter?
Lower severity and a low EPSS score (4.22%). Track it; it rarely justifies an emergency change on its own.
Description
A security feature bypass vulnerability exists when Active Directory incorrectly applies Network Isolation settings, aka "Active Directory Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.22% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 4.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/103649Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040663Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0890Patch, Vendor Advisory
- http://www.securityfocus.com/bid/103649Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040663Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0890Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.