Microsoft 365 Word Copilot vulnerabilities

• microsoft 365 word copilot Word Copilot Information Disclosure Vulnerability CVE-2026-21521 7.4 HighJanuary 22, 2026
• microsoft 365 word copilot M365 Copilot Information Disclosure Vulnerability CVE-2025-59252 9.3 CriticalOctober 9, 2025