VULNERABILITY INTELLIGENCE
CVE-2026-40366
CVSS score8.4 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-05-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Description
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Weakness classification
- CWE-416: Use After Free
Primary references
- secure@microsoft.com — Vendor Advisory