CVE-2021-43883 Windows Installer Elevation of Privilege Vulnerability
An attacker can exploit a flaw in Windows Installer to gain elevated privileges on affected Windows operating systems.
- 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-2021-43883?
CVE-2021-43883 is a high-severity vulnerability in Microsoft Windows 10, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Installer Elevation of Privilege Vulnerability
Which versions are affected by CVE-2021-43883?
It affects 10 products.
Products include Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server and 4 more.
How do I fix CVE-2021-43883?
No fix has been published for CVE-2021-43883 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43883 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43883 exists.
Public exploit code: 1 proofs of concept on GitHub.
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-rxvx-2jq5-pc48.