CVE-2018-0821 Privilege escalation in AppContainer
An attacker can exploit improper constrained impersonation handling in Windows AppContainer to elevate privileges on affected Windows 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-2018-0821?
CVE-2018-0821 is a high-severity vulnerability in Microsoft Windows 10, published on 15 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
AppContainer in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way constrained impersonations are handled, aka "Windows AppContainer Elevation Of Privilege Vulnerability".
Weakness: CWE-269
Which versions are affected by CVE-2018-0821?
It affects 2 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016.
How do I fix CVE-2018-0821?
No fix has been published for CVE-2018-0821 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0821 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-0821 exists.
Public exploit code: 1 Exploit-DB entry.
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-r6fx-jrgq-cfcw.