CVE-2023-21746 Windows NTLM Elevation of Privilege Vulnerability
An attacker can exploit a flaw in Windows NTLM to elevate privileges on affected Microsoft 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-2023-21746?
CVE-2023-21746 is a high-severity vulnerability in Microsoft Windows 10, published on 10 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows NTLM Elevation of Privilege Vulnerability
Which versions are affected by CVE-2023-21746?
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 2008 and 4 more.
How do I fix CVE-2023-21746?
No fix has been published for CVE-2023-21746 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-21746 being exploited?
There is no known exploitation of CVE-2023-21746 in the wild and no public exploit code.
Public exploit code: 2 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-vxg3-frf4-qwph.