Vulnerability Details : CVE-2018-8417
A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka "Microsoft JScript Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.
Products affected by CVE-2018-8417
- 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_10:1809:*:*:*:*:*:*:*
- 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-2018-8417
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8417
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
1.8
|
3.4
|
NIST |
References for CVE-2018-8417
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8417
CVE-2018-8417 - Security Update Guide - Microsoft - Microsoft JScript Security Feature Bypass VulnerabilityPatch;Vendor Advisory
-
http://www.securitytracker.com/id/1042120
Microsoft JScript Lets Local Users Bypass Device Guard to Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/105795
Microsoft Windows JScript Security Feature CVE-2018-8417 Local Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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