CVE-2021-31979
Windows Kernel Elevation of Privilege Vulnerability
In short
A flaw in the Windows Kernel allows an attacker with local access to run code with system-level privileges, potentially taking complete control of the computer. This is dangerous because it lets ordinary programs escalate to administrator rights without authorization.
Technical detail
A buffer overflow vulnerability (CWE-119) in the Windows Kernel permits local privilege escalation when a specially crafted request is processed. Requires prior local code execution; successful exploitation grants SYSTEM-level privileges, enabling full system compromise.
Summary generated and translated by AI from the official description.
Windows Kernel Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 1909Microsoft · Windows 10 Version 2004Microsoft · Windows 10 Version 20H2Microsoft · Windows 10 Version 21H1Microsoft · Windows 7Microsoft · Windows 7 Service Pack 1Microsoft · Windows 8.1Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server version 2004Microsoft · Windows Server version 20H2Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →