CVE-2020-1556 Windows WalletService Elevation of Privilege Vulnerability
A local attacker can exploit improper memory handling in Windows WalletService to execute code with elevated permissions.
- 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-2020-1556?
CVE-2020-1556 is a high-severity vulnerability in Microsoft Windows 10, published on 17 Aug 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 the way that the Windows WalletService handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows WalletService properly handles objects in memory.
Which versions are affected by CVE-2020-1556?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2020-1556?
No fix has been published for CVE-2020-1556 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1556 being exploited?
There is no known exploitation of CVE-2020-1556 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-x7w4-rm2c-m9gp.