Multiple vulnerabilities in Microsoft Windows Defender
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-1163 CVE-2020-1170 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software |
Microsoft Forefront Endpoint Protection Server applications / DLP, anti-spam, sniffers Microsoft Security Essentials Client/Desktop applications / Antivirus software/Personal firewalls Windows Defender Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU28866
Risk: Low
CVSSv3.1: 7.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2020-1163
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Defender. A local user can use a specially crafted application and take control of an affected system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Forefront Endpoint Protection: 2010
Microsoft Security Essentials: All versions
Windows Defender: for Windows RT 8.1 - for Windows 10, Windows 10 1511, Windows 10 1607, Windows Server 2016, Windows 10 1703
CPE2.3- cpe:2.3:a:microsoft:microsoft_forefront_endpoint_protection:2010:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:microsoft_security_essentials:*:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:for Windows RT 8.1:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:on Windows Server 2008:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:on Windows Server 2012:*:*:*:*:*:*:
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1163
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?
Yes. This vulnerability is being exploited in the wild.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU28867
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-2020-1170
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Defender. A local user can use a specially crafted application and take control of an affected system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Forefront Endpoint Protection: 2010
Microsoft Security Essentials: All versions
Windows Defender: for Windows RT 8.1 - for Windows 10, Windows 10 1511, Windows 10 1607, Windows Server 2016, Windows 10 1703
CPE2.3- cpe:2.3:a:microsoft:microsoft_forefront_endpoint_protection:2010:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:microsoft_security_essentials:*:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:for Windows RT 8.1:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:on Windows Server 2008:*:*:*:*:*:*:
- cpe:2.3:a:microsoft:windows_defender:on Windows Server 2012:*:*:*:*:*:*:
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1170
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.
