What’s Vulnerable › Products

Microsoft 365 Word Copilot vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Microsoft 365 Word Copilot version is affected

Latest Microsoft 365 Word Copilot vulnerabilities

• CVE-2026-21521 — Word Copilot Information Disclosure Vulnerability (CVSS 7.4)
• CVE-2025-59252 — M365 Copilot Information Disclosure Vulnerability (CVSS 9.3)