Vulnerability Details : CVE-2018-8490
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers. This CVE ID is unique from CVE-2018-8489.
Vulnerability category: Input validationExecute code
Products affected by CVE-2018-8490
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8490
19.66%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8490
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.7
|
HIGH | AV:A/AC:L/Au:S/C:C/I:C/A:C |
5.1
|
10.0
|
NIST | |
|
8.4
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
1.7
|
6.0
|
NIST |
CWE ids for CVE-2018-8490
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8490
-
http://www.securitytracker.com/id/1041834
Microsoft Hyper-V Lets Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTrackerThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8490
CVE-2018-8490 - Security Update Guide - Microsoft - Windows Hyper-V Remote Code Execution VulnerabilityPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/105480
Microsoft Windows Hyper-V CVE-2018-8490 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
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