CVE-2019-1091

Microsoft unistore.dll Information Disclosure Vulnerability

CVE-2019-1091 is fixed in 24 products on 1 platform, first by KB4507460, released July 9, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0199
80th percentile

<p>An information disclosure vulnerability exists when Unistore.dll fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose memory contents of an elevated process.</p> <p>To exploit this vulnerability, an authenticated attacker could run a specially crafted application in user mode.</p> <p>The update addresses the vulnerability by correcting how the Unistore.dll handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.3085 KB4507460 Jul 9, 2019
Windows 10 Version 1607 for x64-based Systems 14393.3085 KB4507460 Jul 9, 2019
Windows 10 Version 1703 for 32-bit Systems 15063.1928 KB4507450 Jul 9, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1928 KB4507450 Jul 9, 2019
Windows 10 Version 1709 for 32-bit Systems 16299.1268 KB4507455 Jul 9, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.1268 KB4507455 Jul 9, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1268 KB4507455 Jul 9, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.885 KB4507435 Jul 9, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.885 KB4507435 Jul 9, 2019
Windows 10 Version 1803 for x64-based Systems 17134.885 KB4507435 Jul 9, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.615 KB4507469 Jul 9, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.615 KB4507469 Jul 9, 2019
Windows 10 Version 1809 for x64-based Systems 17763.615 KB4507469 Jul 9, 2019
Windows 10 Version 1903 for 32-bit Systems 18362.239 KB4507453 Jul 9, 2019
Windows 10 Version 1903 for ARM64-based Systems 18362.239 KB4507453 Jul 9, 2019
Windows 10 Version 1903 for x64-based Systems 18362.239 KB4507453 Jul 9, 2019
Windows 10 for 32-bit Systems 10240.18275 KB4507458 Jul 9, 2019
Windows 10 for x64-based Systems 10240.18275 KB4507458 Jul 9, 2019
Windows Server 2016 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2016 (Server Core installation) 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2019 17763.615 KB4507469 Jul 9, 2019
Windows Server 2019 (Server Core installation) 17763.615 KB4507469 Jul 9, 2019
Windows Server, version 1803 (Server Core Installation) 17134.885 KB4507435 Jul 9, 2019
Windows Server, version 1903 (Server Core installation) 18362.239 KB4507453 Jul 9, 2019

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