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Description

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.

PUBLISHED Reserved 2026-02-11 | Published 2026-03-10 | Updated 2026-03-13 | Assigner microsoft




HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

16.0.0 (custom) before 16.0.5543.1000
affected

16.0.0 (custom) before 16.0.10417.20102
affected

16.0.0 (custom) before 16.0.19725.20076
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26105 (Microsoft SharePoint Server Spoofing Vulnerability) vendor-advisory patch

cve.org (CVE-2026-26105)

nvd.nist.gov (CVE-2026-26105)

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