CVE-2026-81952 Advisory
Severity: HIGH (CVSS 8.8)
Affected Product:
- Microsoft Defender Business
Vulnerability Description: Heap-based buffer overflow in Microsoft Office Word enables remote code execution.
KEV Status: Not currently listed as exploited in the wild.
Remediation: Apply security updates from Microsoft per the official vulnerability guide: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81952
Action Items:
- Prioritize patching due to network-based exploitation vector and HIGH severity rating
- Monitor Microsoft security advisories for release timing and deployment guidance