Microsoft Office OneNote Remote Code Execution Vulnerability
CVE-2026-126526
Summary
Mariner
Products covered
azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0
Remediation
CBL-Mariner Releases Release Notes
Vendor-listed fixes
6.6.137.1-1
CVEs in this advisory 1
Update history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- Added affected products: cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0.
- Added fixed versions: 6.6.137.1-1.
- The vendor changed its remediation guidance.
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- 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.