CVEvulnerability
CVE-2026-45463
8.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-06-09
- Last modified
- 2026-07-23
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.4 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-121, CWE-191
Description
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected configurations
• microsoft 365 apps
• microsoft 365 copilot
• microsoft microsoft 365
• microsoft office 2016
• microsoft office 2019
• microsoft office 2021
• microsoft office 2024