VULNERABILITY INTELLIGENCE

CVE-2026-45463

CVSS score8.4 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-06-09
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.

Weakness classification

  • secure@microsoft.com: CWE-121

Primary references