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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-57105

Microsoft Office SharePoint: cross-site scripting

Microsoft

CVE-2026-57105 · Published Aug 11, 2026 · updated Aug 12, 2026

High8.0
Fix: upgrade to 16.0.10417.20198 or later (2 fixed versions below)
Microsoft advisory

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

Affected versions

PackageAffectedFixed in
Microsoft SharePoint Server 2019
Product
>= 16.0.0, < 16.0.10417.2019816.0.10417.20198
Microsoft SharePoint Server Subscription Edition
Product
>= 16.0.0, < 16.0.19725.2052216.0.19725.20522
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-79

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