CVE-2026-45653
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk17th percentile - higher than 17% of all known CVEs
Summary
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Risk Assessment
Risk involves privilege escalation by an attacker, potentially leading to full system control and arbitrary code execution.
Recommendation
Apply security patches from Microsoft for Windows Kernel and monitor systems for unauthorized activities.
Other vulnerabilities in Windows Kernel
See all- CVE-2026-97803High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96929High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96913High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96868High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96317High
Use-after-free vulnerability in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96312High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-96216High
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)
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

