CVE-2026-88154
Severity: MEDIUM (CVSS 6.5)
Status: Not exploited in the wild (KEV list status unknown)
Vulnerability: Out-of-bounds read in Microsoft Office Excel allows unauthorized information disclosure over a network.
Affected Product:
- Microsoft Defender Business
Remediation: Review Microsoft Security Response Center (MSRC) guidance at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88154 for patch availability and deployment instructions.
Last Updated: Current date