Vulnerabilities
Microsoft Office for Mac CVE-2026-80089: Information Disclosure – Update Required
A recent vulnerability (CVE-2026-80089) allows information disclosure in Microsoft Office for Mac. Users of the affected Mac version must install the security update immediately. Other Office products are not impacted.
What happened
A flaw in Microsoft Office for Mac permits unauthorized disclosure of sensitive data. The issue is identified as CVE‑2026‑80089.
Impact
Only Mac installations of Microsoft Office are vulnerable. The flaw can expose confidential information if exploited.
What to do
Install the latest Office for Mac update from Microsoft. Verify the patch via the release notes and ensure all Mac users receive the fix. No action is required for Windows or other Office variants.