CVE-2019-0734 Privilege escalation in Windows
A man-in-the-middle attacker can decode and replace Kerberos authentication requests to gain Administrator privileges on Microsoft Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-0734?
CVE-2019-0734 is a high-severity vulnerability in Microsoft Windows 10, published on 16 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator.The update addresses this vulnerability by changing how these requests are validated., aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0936.
Which versions are affected by CVE-2019-0734?
It affects 8 products.
Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.
How do I fix CVE-2019-0734?
No fix has been published for CVE-2019-0734 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-0734 being exploited?
There is no known exploitation of CVE-2019-0734 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-mgrj-fw6g-5692.