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CVE-2026-63512

Microsoft SharePoint Server Tampering vulnerability

Microsoft

MSRC advisory August 11, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-63512
Affected products
Microsoft SharePoint Server Tampering · Microsoft Microsoft SharePoint Server Tampering · Microsoft

What happened

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

What it means for your business

Microsoft SharePoint Server Tampering vulnerability (CVE-2026-63512) was added to Microsoft’s security update guidance. Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network. If you need help checking exposure, call (864) 335-9223.

Sources

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