Microsoft Office OneNote Remote Code Execution Vulnerability
CVE-2026-126526
Summary
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.
Products covered
Microsoft HPC Pack 2019
Remediation
Release Notes
Vendor-listed fixes
6.3.8355
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.