CVE-2026-69759 Advisory
Severity: HIGH (CVSS 8.8)
Affected Product:
- Microsoft Defender Business
Vulnerability: Stack-based buffer overflow in Microsoft Office Word enabling remote code execution.
KEV Status: Not currently listed as exploited in the wild.
Remediation: Apply security updates from Microsoft. Refer to the official vulnerability guidance: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69759
Recommendation: Prioritize patching due to HIGH severity and network-based attack vector.