CVE-2026-78517ImportantMonitor
Microsoft Office Word Remote Code Execution Vulnerability
Severity Important · Urgency Monitor
Why it matters: Important severity (CVSS 8.8)
Remote Code Execution · Important · CVSS 8.8. Affects: Microsoft Office 365 for Mac, Microsoft Office, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office LTSC, Microsoft Word.
Affected: Microsoft Office 365 for Mac, Microsoft Office, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office LTSC, Microsoft Word
Related changes
Change history
2026-09-08 · First captured by tracker