CVE Catalog
CVE-2026-63519
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk0.35%
28th percentile - higher than 28% of all known CVEs
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Risk Assessment
An attacker could exploit this vulnerability to run malicious code, potentially leading to system takeover.
Recommendation
Install the latest Microsoft Office security updates.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.