Win32k Information Disclosure Vulnerability
CVE-2018-8637 is fixed in 9 products on 1 platform, first by KB4471324, released December 11, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass. An attacker who successfully exploited this vulnerability could retrieve the memory address of a kernel object.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how the Windows kernel handles memory addresses.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1803 for 32-bit Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.194 | KB4471332 | Dec 11, 2018 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.194 | KB4471332 | Dec 11, 2018 |
| Windows 10 Version 1809 for x64-based Systems | 17763.194 | KB4471332 | Dec 11, 2018 |
| Windows Server 2019 | 17763.194 | KB4471332 | Dec 11, 2018 |
| Windows Server 2019 (Server Core installation) | 17763.194 | KB4471332 | Dec 11, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.471 | KB4471324 | Dec 11, 2018 |
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