Vulnerability Details : CVE-2018-8449
A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka "Device Guard Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
Products affected by CVE-2018-8449
- 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-2018-8449
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8449
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2018-8449
-
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8449
-
http://www.securitytracker.com/id/1041642
Microsoft Windows Device Guard Lets Local Users Bypass Trusted File Restrictions on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/45435/
Microsoft Windows - 'CiSetFileCache' WDAC Security Feature Bypass TOCTOUThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449
CVE-2018-8449 | Device Guard Security Feature Bypass VulnerabilityPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/105272
Microsoft Windows Device Guard CVE-2018-8449 Remote Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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