Is CVE-2026-81387 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-81387?

CVE-2026-81387 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-81387

Description

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.