VULNERABILITY INTELLIGENCE
CVE-2026-64903
CVSS score7.8 HIGH
EPSS probability0.47%
CISA KEVNot currently listed
Published2026-08-11
Last modified2026-08-13
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
Weakness classification
- secure@microsoft.com: CWE-122
Primary references
- secure@microsoft.com — Vendor Advisory