CVE-2026-48580
Microsoft · Published July 14, 2026
5.5
CVSS v3.1
MEDIUMPatch availableGet patch
Description
Microsoft Excel Information Disclosure Vulnerability. Untrusted pointer dereference 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:H/I:N/A:N/E:U/RL:O/RC:C