CVE-2026-42831CriticalMonitor
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 LTSC for Mac, Microsoft Office for Android.
Affected: Microsoft Office LTSC for Mac, Microsoft Office for Android
Change history
2026-06-23 · First seen