CVE-2021-34508
HighCVSS 8.8Exploitation Probability (EPSS)
High risk80th percentile - higher than 80% of all known CVEs
Summary
Remote code execution vulnerability in the Windows kernel. An attacker could exploit it to gain elevated privileges and execute code in kernel mode.
Risk Assessment
Full system compromise, including the ability to install persistent backdoors and steal sensitive data.
Recommendation
Install the latest Windows security updates.
Other vulnerabilities in Windows Kernel
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Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
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Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-24289High
A use after free vulnerability in the Windows Kernel allows an authorized attacker to locally elevate privileges.
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A vulnerability in the Windows kernel allows elevation of privilege. This flaw can be exploited by a local attacker to gain higher privileges on the system.
- CVE-2024-21371High
Elevation of privilege vulnerability in the Windows kernel. Allows a local attacker to gain elevated privileges.
- CVE-2024-21338HighActively exploited
Elevation of privilege vulnerability in the Windows kernel, allowing an attacker to gain higher privileges on the system.
Original NVD description (English source)
Windows Kernel Remote Code Execution Vulnerability