CVE-2026-77898CriticalMonitor
Microsoft Office Remote Code Execution Vulnerability
Severity Critical · Urgency Monitor
Why it matters: Critical severity (CVSS 7.5)
Remote Code Execution · Critical · CVSS 7.5. Affects: Microsoft Office LTSC, Microsoft Office, Microsoft 365 Apps, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac.
Affected: Microsoft Office LTSC, Microsoft Office, Microsoft 365 Apps, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac
Related changes
Change history
2026-09-08 · First captured by tracker