CVE-2026-96997
HighCVSS 7.8Summary
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could gain higher privileges, potentially leading to privilege escalation in the system.
Recommendation
Install the latest security updates for Microsoft Office OneNote.
Other vulnerabilities in Microsoft Office OneNote
See all- CVE-2026-97781High
Command injection vulnerability in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.
- CVE-2025-21402High
A vulnerability in Microsoft Office OneNote allows for remote code execution. An attacker can exploit this flaw to execute malicious code on the victim's system.
- CVE-2026-55133High
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally. The attack requires local access.
- CVE-2024-21384High
Vulnerability in Microsoft Office OneNote allows remote code execution. An attacker could exploit this flaw to run malicious code on the victim's machine.
Original NVD description (English source)
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

