VULNERABILITY INTELLIGENCE
CVE-2026-40358
CVSS score8.4 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-05-12
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Weakness classification
- secure@microsoft.com: CWE-416
Primary references
- secure@microsoft.com — Vendor Advisory