CVE-2026-63515CriticalMonitor
Microsoft Office Remote Code Execution Vulnerability
Severity Critical · Urgency Monitor
Why it matters: Critical severity (CVSS 7.8)
Remote Code Execution · Critical · CVSS 7.8. Affects: Microsoft Office 365 for Mac, Microsoft Office, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office LTSC.
Affected: Microsoft Office 365 for Mac, Microsoft Office, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office LTSC