CVE-2020-1071: Windows Remote Access Common Dialog Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog, aka 'Windows Remote Access Common Dialog Elevation of Privilege Vulnerability'.
Other sources
An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. To exploit this vulnerability an attacker would need to physically access the booted machine to reach the logon screen. An attacker could then exploit the vulnerability and take control of an affected system. The update addresses the vulnerability by correcting how the Windows handles errors tied to Remote Access Common Dialog.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556843 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556846 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556853 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556813 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556852 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556799 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556826 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556812 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4551853 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556807
Event History
Frequently Asked Questions
What is the severity of CVE-2020-1071?
CVE-2020-1071 has a severity rating of important as it can lead to elevation of privilege.
How do I fix CVE-2020-1071?
To fix CVE-2020-1071, you should apply the security updates released by Microsoft for affected versions of Windows.
Which versions of Windows are affected by CVE-2020-1071?
CVE-2020-1071 affects multiple versions of Windows including Windows 7, 8.1, Windows 10, and various Windows Server editions.
Can exploitation of CVE-2020-1071 allow remote code execution?
No, exploitation of CVE-2020-1071 results in elevation of privilege but does not allow remote code execution.
Is there a workaround for CVE-2020-1071 if I cannot apply updates?
Currently, there are no known workarounds for CVE-2020-1071, and it is recommended to apply updates as soon as possible.