CVE-2020-1170

Public Exploit

Description

An elevation of privilege vulnerability exists in Windows Defender that leads arbitrary file deletion on the system.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Windows Defender Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1163.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Forefront Endpoint Protection
Affected: Microsoft Microsoft System Center
Affected: Microsoft Microsoft Security Essentials
Affected: Microsoft Windows Defender on Windows 10 Version 1803 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1803 for x64-based Systems
Affected: Microsoft Windows Defender on Windows Server, version 1803 (Server Core Installation)
Affected: Microsoft Windows Defender on Windows 10 Version 1803 for ARM64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1809 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1809 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1809 for ARM64-based Systems
Affected: Microsoft Windows Defender on Windows Server 2019
Affected: Microsoft Windows Defender on Windows Server 2019 (Server Core installation)
Affected: Microsoft Windows Defender on Windows 10 Version 1909 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1909 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1909 for ARM64-based Systems
Affected: Microsoft Windows Defender on Windows Server, version 1909 (Server Core installation)
Affected: Microsoft Windows Defender on Windows 10 Version 1709 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1709 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1709 for ARM64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft Windows Defender on Windows Server, version 1903 (Server Core installation)
Affected: Microsoft Windows Defender on Windows 10 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1607 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 10 Version 1607 for x64-based Systems
Affected: Microsoft Windows Defender on Windows Server 2016
Affected: Microsoft Windows Defender on Windows Server 2016 (Server Core installation)
Affected: Microsoft Windows Defender on Windows 7 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows 7 for x64-based Systems
Affected: Microsoft Windows Defender on Windows 8.1 for 32-bit systems
Affected: Microsoft Windows Defender on Windows 8.1 for x64-based systems
Affected: Microsoft Windows Defender on Windows RT 8.1
Affected: Microsoft Windows Defender on Windows Server 2008 for 32-bit Systems
Affected: Microsoft Windows Defender on Windows Server 2008 for 32-bit Systems (Server Core installation)
Affected: Microsoft Windows Defender on Windows Server 2008 for Itanium-Based Systems
Affected: Microsoft Windows Defender on Windows Server 2008 R2 for Itanium-Based Systems
Affected: Microsoft Windows Defender on Windows Server 2008 R2 for x64-based Systems
Affected: Microsoft Windows Defender on Windows Server 2008 R2 for x64-based Systems (Server Core installation)
Affected: Microsoft Windows Defender on Windows Server 2012
Affected: Microsoft Windows Defender on Windows Server 2012 (Server Core installation)
Affected: Microsoft Windows Defender on Windows Server 2012 R2
Affected: Microsoft Windows Defender on Windows Server 2012 R2 (Server Core installation)
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1170 patch vendor advisory
http://packetstormsecurity.com/files/160919/Cloud-Filter-Arbitrary-File-Creation-Privilege-Escalation.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-1170?
CVE-2020-1170 has been scored as a high severity vulnerability.
How to fix CVE-2020-1170?
To fix CVE-2020-1170, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1170 being actively exploited in the wild?
It is possible that CVE-2020-1170 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1170?
CVE-2020-1170 affects Microsoft Microsoft Forefront Endpoint Protection, Microsoft Microsoft System Center, Microsoft Microsoft Security Essentials, Microsoft Windows Defender on Windows 10 Version 1803 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1803 for x64-based Systems, Microsoft Windows Defender on Windows Server, version 1803 (Server Core Installation), Microsoft Windows Defender on Windows 10 Version 1803 for ARM64-based Systems, Microsoft Windows Defender on Windows 10 Version 1809 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1809 for x64-based Systems, Microsoft Windows Defender on Windows 10 Version 1809 for ARM64-based Systems, Microsoft Windows Defender on Windows Server 2019, Microsoft Windows Defender on Windows Server 2019 (Server Core installation), Microsoft Windows Defender on Windows 10 Version 1909 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1909 for x64-based Systems, Microsoft Windows Defender on Windows 10 Version 1909 for ARM64-based Systems, Microsoft Windows Defender on Windows Server, version 1909 (Server Core installation), Microsoft Windows Defender on Windows 10 Version 1709 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1709 for x64-based Systems, Microsoft Windows Defender on Windows 10 Version 1709 for ARM64-based Systems, Microsoft Windows Defender on Windows 10 Version 1903 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1903 for x64-based Systems, Microsoft Windows Defender on Windows 10 Version 1903 for ARM64-based Systems, Microsoft Windows Defender on Windows Server, version 1903 (Server Core installation), Microsoft Windows Defender on Windows 10 for 32-bit Systems, Microsoft Windows Defender on Windows 10 for x64-based Systems, Microsoft Windows Defender on Windows 10 Version 1607 for 32-bit Systems, Microsoft Windows Defender on Windows 10 Version 1607 for x64-based Systems, Microsoft Windows Defender on Windows Server 2016, Microsoft Windows Defender on Windows Server 2016 (Server Core installation), Microsoft Windows Defender on Windows 7 for 32-bit Systems, Microsoft Windows Defender on Windows 7 for x64-based Systems, Microsoft Windows Defender on Windows 8.1 for 32-bit systems, Microsoft Windows Defender on Windows 8.1 for x64-based systems, Microsoft Windows Defender on Windows RT 8.1, Microsoft Windows Defender on Windows Server 2008 for 32-bit Systems, Microsoft Windows Defender on Windows Server 2008 for 32-bit Systems (Server Core installation), Microsoft Windows Defender on Windows Server 2008 for Itanium-Based Systems, Microsoft Windows Defender on Windows Server 2008 R2 for Itanium-Based Systems, Microsoft Windows Defender on Windows Server 2008 R2 for x64-based Systems, Microsoft Windows Defender on Windows Server 2008 R2 for x64-based Systems (Server Core installation), Microsoft Windows Defender on Windows Server 2012, Microsoft Windows Defender on Windows Server 2012 (Server Core installation), Microsoft Windows Defender on Windows Server 2012 R2, Microsoft Windows Defender on Windows Server 2012 R2 (Server Core installation).
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