Vulnerability Details : CVE-2017-11823
The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka "Microsoft Windows Security Feature Bypass".
Exploit prediction scoring system (EPSS) score for CVE-2017-11823
Probability of exploitation activity in the next 30 days: 0.25%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-11823
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
|
6.7
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2017-11823
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The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-11823
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http://www.securitytracker.com/id/1039526
Windows Kernel Bugs Let Local Users Obtain Potentially Sensitive Information, Bypass Security, and Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
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http://www.securityfocus.com/bid/101102
Microsoft Windows Device Guard CVE-2017-11823 Local Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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https://www.exploit-db.com/exploits/42997/
Microsoft Windows 10 - WLDP/MSHTML CLSID UMCI BypassExploit;Third Party Advisory;VDB Entry
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https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823
CVE-2017-11823 | Device Guard Code Integrity Policy Security Feature Bypass VulnerabilityPatch;Vendor Advisory
Products affected by CVE-2017-11823
- 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_server_2016:*:*:*:*:*:*:*:*