High severity7.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026
CVE-2026-121681
CVE-2026-121681
Description
Heap-based buffer overflow in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft November 2026 Patch Tuesday Fixes 1,093 Vulnerabilities, Including Outlook Zero-DayCyber Security News · Nov 10, 2026