CVE-2026-40357
Analyzed
Analyzed - Analysis Complete
BaseFortify
Publication date: 2026-05-12
Last updated on: 2026-05-13
Assigner: Microsoft Corporation
Description
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | sharepoint_server | to 16.0.19725.20280 (exc) |
| microsoft | sharepoint_server | 2016 |
| microsoft | sharepoint_server | 2019 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
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