CVE Catalog
CVE-2026-45459
LowCVSS 3.3Exploitation Probability (EPSS)
Low risk0.32%
24th percentile — higher than 24% of all known CVEs
Summary
A protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to locally bypass a security feature.
Risk Assessment
The organization may be exposed to unauthorized access to data, potentially leading to information leakage or data manipulation.
Recommendation
It is recommended to update Microsoft Office Excel to the latest version to patch this vulnerability and implement additional security measures.
Original NVD description (English source)
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.