CVE Catalog
CVE-2026-66809
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk0.35%
28th percentile - higher than 28% of all known CVEs
Summary
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Risk Assessment
An attacker could read data outside the intended memory area, potentially leading to information disclosure.
Recommendation
Install the latest security updates for Microsoft Office.
Original NVD description (English source)
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

