CVE-2026-50300
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
Risk Assessment
The risk involves potential leakage of kernel memory data by an authorized user.
Recommendation
Install the latest security updates from Microsoft.
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.
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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.
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Use-after-free vulnerability 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.
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A use-after-free vulnerability in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-88141High
A use after free vulnerability in the Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-88139High
A use after free vulnerability in the Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-88134High
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS