Actively exploited in the wild
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft - Win32k · Listed in the CISA KEV since 2022-04-25. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-40450
HighCVSS 7.8KEVSummary
Win32k Elevation of Privilege Vulnerability. Technical details are not provided in the description, but it is a vulnerability allowing privilege escalation.
Risk Assessment
The risk is that a local attacker can exploit this vulnerability to gain higher privileges on the system, potentially leading to full system control.
Recommendation
It is recommended to install the latest Windows security updates that include fixes for this vulnerability.
Other vulnerabilities in Microsoft Windows
See all- CVE-2017-8467High
In Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016, there is a vulnerability that allows elevation of privilege due to the way it handles objects in memory.
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The vulnerability in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via unspecified vectors.
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Windows Graphics Component Remote Code Execution Vulnerability. Details are not provided in the description, but it allows remote code execution.
- CVE-2021-41379MediumActively exploited
Windows Installer Elevation of Privilege Vulnerability. Details are not provided in the description, but it allows privilege escalation.
- CVE-2021-41357HighActively exploited
Win32k Elevation of Privilege Vulnerability. Technical details are not provided in the description, but it is a vulnerability allowing privilege escalation.
- CVE-2021-40449HighActively exploited
Win32k Elevation of Privilege Vulnerability. Technical details are not provided in the description, but it is a vulnerability allowing privilege escalation.
- CVE-2020-1054HighActively exploited
An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode, install programs, view/change/delete data, or create new accounts with full user rights.
- CVE-2019-1322HighActively exploited
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. It could allow an attacker to gain higher privileges.
- CVE-2019-0543HighActively exploited
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests. This affects multiple versions of Windows, including Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, and Windows 10 Servers.
Original NVD description (English source)
Win32k Elevation of Privilege Vulnerability