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CVE-2026-45455
LOW
CVSS: 3.3
Published: 2026-06-09
Modified: 2026-07-23
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Affected Platforms
Microsoft 365 AppsMicrosoft Office Online ServerMicrosoft ExcelMicrosoft Microsoft 365Microsoft Office 2021Microsoft Office 2024Microsoft Office 2019