CVE-2020-1021 Windows Error Reporting Elevation of Privilege Vulnerability
An attacker can gain elevated privileges by exploiting a race condition in Windows Error Reporting file handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1021?
CVE-2020-1021 is a high-severity vulnerability in Microsoft Windows 10, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it. An attacker who successfully exploited the vulnerability could gain greater access to sensitive information and system functionality. To exploit the vulnerability, an attacker could run a specially crafted application. The security update addresses the vulnerability by correcting the way that WER handles and executes files.
Weakness: CWE-362
Which versions are affected by CVE-2020-1021?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2020-1021?
No fix has been published for CVE-2020-1021 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1021 being exploited?
There is no known exploitation of CVE-2020-1021 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-j7w7-3xw6-xqw6.