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KB5002927: what it fixes and who gets it

KB5002927 is a security update from Microsoft's August 2026 release for Microsoft SharePoint Server Subscription Edition.

Microsoft data read
1CVEs fixed
0rated Critical
0already exploited
Yesrestart required

Should you install it?

Yes. It is a routine security update; none of its fixes are rated Critical or reported as exploited. Windows Update installs it automatically on supported home PCs.

If the installation fails or the PC misbehaves afterwards, note the exact error code first: the fix depends on it. Our update troubleshooting guides are linked on this page.

Security fixes in KB5002927

CVETypeCVSSSeverity
CVE-2026-66805Microsoft SharePoint Server Remote Code Execution VulnerabilityRemote Code Execution8.8Important

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