CVE-2026-70306: microsoft sharepoint_server

CVSS 9.3 (critical) · published 2026-08-11

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Affected products (NVD): microsoft sharepoint_server

Fixed in (NVD): 16.0.19725.20434

Weakness: CWE-79

Source: NVD CVE-2026-70306

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70306

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