CVE-2025-62458
BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-12
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2012 | * |
| microsoft | windows_10_1607 | to 10.0.14393.8688 (inc) |
| microsoft | windows_10_1809 | to 10.0.17763.8146 (inc) |
| microsoft | windows_10_21h2 | to 10.0.19044.6691 (inc) |
| microsoft | windows_10_22h2 | to 10.0.19045.6691 (inc) |
| microsoft | windows_11_23h2 | to 10.0.22631.6345 (inc) |
| microsoft | windows_server_2016 | to 10.0.14393.8688 (inc) |
| microsoft | windows_server_2019 | to 10.0.17763.8146 (inc) |
| microsoft | windows_server_2022 | to 10.0.20348.4467 (inc) |
| microsoft | windows | * |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap-based buffer overflow in the Windows Win32K graphics component (GRFX). It allows an authorized local attacker to exploit the flaw to elevate their privileges on the affected system.
How can this vulnerability impact me? :
An attacker who already has some level of access to the system could use this vulnerability to gain higher privileges, potentially allowing them to execute arbitrary code, access sensitive information, or take full control of the affected system.
What immediate steps should I take to mitigate this vulnerability?
Apply the security update provided by Microsoft for CVE-2025-62458 as soon as possible to mitigate the heap-based buffer overflow vulnerability in Windows Win32K - GRFX that allows local privilege escalation. [1]