Security Advisory

CVE-2026-78509

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-08 17:13:46
Last updated 2026-09-18 20:41:17
Assigner microsoft
CVSS score 9.8
State PUBLISHED

Description

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.