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CVE-2026-63521

No fix known EPSS <1%CVSS 5.5

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Published 2026-08-11 · CVE record · OSV

Products: Microsoft 365 Apps for Enterprise, Microsoft Office 2019, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft Word 2016