Advisoriesby IbisMicrosoftCVE-2026-55019
Microsoft Office SharePoint: cross-site scripting
Fix: upgrade to 16.0.5561.1001 or later (3 fixed versions below)
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
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 Product | >= 16.0.0, < 16.0.5561.1001 | 16.0.5561.1001 |
| Microsoft SharePoint Server 2019 Product | >= 16.0.0, < 16.0.10417.20175 | 16.0.10417.20175 |
| Microsoft SharePoint Server Subscription Edition Product | >= 16.0.0, < 16.0.19725.20434 | 16.0.19725.20434 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-79