CVE-2026-78439CriticalMonitor
Microsoft Office Graphics Component Remote Code Execution Vulnerability
Severity Critical · Urgency Monitor
Why it matters: Critical severity (CVSS 8.8)
Remote Code Execution · Critical · CVSS 8.8. Affects: Microsoft Office LTSC for Mac, Microsoft Office for Android, Microsoft Office 365 for Mac.
Affected: Microsoft Office LTSC for Mac, Microsoft Office for Android, Microsoft Office 365 for Mac
Related changes
Change history
2026-09-08 · First captured by tracker