CVE-2026-81395
Severity: MEDIUM (CVSS 5.5)
KEV Status: Not exploited in the wild
Affected Product: Microsoft Defender Business
Description:
Out-of-bounds read vulnerability in Microsoft Office Excel that allows local information disclosure.
Remediation:
Apply security updates from Microsoft. See: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81395
Impact: Local attacker with system access could read sensitive data. No remote exploitation or privilege escalation indicated by available CVSS data.