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CVE-2026-68816

Microsoft Excel Remote Code Execution vulnerability

Microsoft

MSRC advisory August 11, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-68816
Affected products
Microsoft Excel Remote Code Execution · Microsoft Microsoft Excel Remote Code Execution · Microsoft

What happened

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

What it means for your business

Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68816) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.

Sources

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Need help patching?

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