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CVE-2026-55054
MEDIUM
CVSS: 6.5
Published: 2026-07-14
Modified: 2026-07-15
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Affected Platforms
Microsoft 365 AppsMicrosoft Office Online ServerMicrosoft ExcelMicrosoft Office 365Microsoft OfficeMicrosoft Office 2021Microsoft Office 2024Apple Macos