CVE-2019-0943
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows Font Cache Service - Insecure Sections Privilege Escalation2019-06-24 · dos · windows · Verified
Impact
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control over an affected system. The update addresses the vulnerability by correcting how Windows handles calls to ALPC.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 | All versions Versions 1607, 1703, 1709, 1803, 1809 |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2008 | Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | All versions Versions 1803, 1903 |
| Microsoft | Windows Server 2019 | All versions |