Microsoft is investigating a compatibility issue where third-party applications cannot successfully launch Microsoft Office apps or open Office documents on fully patched Windows systems following June updates. This appears to be a post-update regression affecting application interoperability rather than a security vulnerability.

Why it matters in Western Canada: Organizations across Western Canada relying on integrated workflows between Office applications and third-party software (document management, ERP, CRM systems) may experience disruption to business processes until Microsoft provides a fix.

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Summary generated from the original advisory. Read the full source: bleepingcomputer