CVE-2026-35420
Analyzed
Analyzed - Analysis Complete
BaseFortify
Publication date: 2026-05-12
Last updated on: 2026-05-14
Assigner: Microsoft Corporation
Description
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_server_2012 | * |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | to 10.0.14393.9140 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.8755 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.5074 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.2330 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.32772 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
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