CVE-2026-50678
Microsoft · Published July 14, 2026
6.6
CVSS v3.1
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Description
Microsoft Excel Information Disclosure Vulnerability. Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Affected Products
- Office Online Server
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft 365 Apps for Enterprise for 32-bit Systems
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C