CVE-2026-40367
Modified
Modified - Updated After Analysis
BaseFortify
Publication date: 2026-05-12
Last updated on: 2026-05-20
Assigner: Microsoft Corporation
Description
Description
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | sharepoint_server | 2019 |
| microsoft | sharepoint_server | 2016 |
| microsoft | 365_apps | * |
| microsoft | 365_apps | * |
| microsoft | office_long_term_servicing_channel | 2021 |
| microsoft | office | 2019 |
| microsoft | office | 2019 |
| microsoft | word | 2016 |
| microsoft | word | 2016 |
| microsoft | office_long_term_servicing_channel | 2024 |
| microsoft | office_long_term_servicing_channel | 2021 |
| microsoft | office_long_term_servicing_channel | 2021 |
| microsoft | office_long_term_servicing_channel | 2024 |
| microsoft | office_long_term_servicing_channel | 2024 |
| microsoft | sharepoint_server | to 16.0.19725.20280 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-822 | The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer. |
Attack-Flow Graph
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