CyberRota Analysis
AI-GeneratedA heap-based buffer overflow vulnerability in Microsoft Office Excel enables unauthorized attackers to execute arbitrary code on affected systems. This high-severity flaw poses significant risks to users who handle sensitive data or rely on Excel for critical operations. Organizations using Microsoft Office should prioritize patching to mitigate potential exploitation risks.
CVE
CVE-2026-81389
Severity
HIGH
CVSS
7
EPSS
0.36%
Microsoft Office
Original NVD Description
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Related CVEs
Other vulnerabilities affecting the same vendor(s)