CVE-2026-63520
Microsoft SharePoint Server Remote Code Execution vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-63520
- Affected products
- Microsoft SharePoint Server Remote Code Execution · Microsoft Microsoft SharePoint Server Remote Code Execution · Microsoft
What happened
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
What it means for your business
Microsoft SharePoint Server Remote Code Execution vulnerability (CVE-2026-63520) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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