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Medium August 12, 2026

CVE-2026-63512: Security Advisory

CVE-2026-63512 CVSS 6.5

Who it affects: Microsoft
What to do: Apply the vendor's update in your next patch window.

Deploy the fix with Action1 Automox ManageEngine Patch Manager Plus ManageEngine Endpoint Central Are you exposed? Compare patch tools →

CVE-2026-63512 is a medium-severity vulnerability (CVSS 6.5).

Summary

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

Affected tools we track

This advisory affects Microsoft. Review the vendor page for current pricing, alternatives and status.

Remediation

Apply the vendor’s update during your next patch window and verify exposure. Patch-management tools that can deploy and verify the fix include Action1, Automox, ManageEngine Patch Manager Plus, ManageEngine Endpoint Central. See our best patch management ranking.

Sources

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63512

Data as of August 12, 2026. Sources: nvd.nist.gov, msrc.microsoft.com. Figures are pulled from public vendor and security data and refreshed automatically.

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