CVE-2019-1127

DirectWrite Remote Code Execution Vulnerability

CVE-2019-1127 is fixed in 16 products on 1 platform, first by KB4507455, released July 9, 2019. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2063
97th percentile

<p>A remote code execution vulnerability exists in the way that DirectWrite handles objects in memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.</p> <p>The security update addresses the vulnerability by correcting how DirectWrite handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
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 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