CyberRota Analysis
AI-GeneratedA heap-based buffer overflow vulnerability in Microsoft Office OneNote allows unauthorized attackers to execute arbitrary code on affected systems. This high-severity flaw poses a significant risk to users of Microsoft Office, particularly in environments where OneNote is utilized for collaborative work. Organizations using this software should prioritize patching to mitigate potential exploitation.
CVE
CVE-2026-55133
Severity
HIGH
CVSS
7.8
EPSS
0.30%
Microsoft Office
Original NVD Description
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.
Related CVEs
Other vulnerabilities affecting the same vendor(s)