Vulnerability Details : CVE-2018-8439
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 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-0965.
Vulnerability category: Input validationExecute code
Products affected by CVE-2018-8439
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- 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_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8439
1.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8439
| 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-2018-8439
-
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-2018-8439
-
http://www.securityfocus.com/bid/105233
Microsoft Windows Hyper-V CVE-2018-8439 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1041624
Microsoft Hyper-V Multiple Bugs Let Local Guest System Users Deny Service, Obtain Potentially Sensitive Information, and Cause the Host System to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8439
CVE-2018-8439 | Windows Hyper-V Remote Code Execution VulnerabilityPatch;Vendor Advisory
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