Security restrictions bypass in Windows Device Guard
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-0627 CVE-2019-0632 CVE-2019-0631 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU17646
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-0627
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to an error in Device Guard that can circumvent a User Mode Code Integrity (UMCI) policy on the machine. A local user can create a specially crafted program, bypass the User Mode Code Integrity policy and executed malicious application on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 10 1809
Windows Server: 2016 - 2019 1803
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0627
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU17647
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-0632
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to an error in Device Guard that can circumvent a User Mode Code Integrity (UMCI) policy on the machine. A local user can create a specially crafted program, bypass the User Mode Code Integrity policy and executed malicious application on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 10 1809
Windows Server: 2016 - 2019 1803
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0632
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU17648
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-0631
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to an error in Device Guard that can circumvent a User Mode Code Integrity (UMCI) policy on the machine. A local user can create a specially crafted program, bypass the User Mode Code Integrity policy and executed malicious application on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 10 1809
Windows Server: 2016 - 2019 1803
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0631
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
