CVE-2019-1173
Last modified
CVE-2019-1173 is a high-severity vulnerability rated 7/10 on the CVSS scale. An elevation of privilege vulnerability exists in the way that the PsmServiceExtHost.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the PsmServiceExtHost.dll properly handles objects in memory.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.
Description
An elevation of privilege vulnerability exists in the way that the PsmServiceExtHost.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the PsmServiceExtHost.dll properly handles objects in memory.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | 1803 |
| Microsoft | Windows 10 | 1809 |
| Microsoft | Windows 10 | 1903 |
| Microsoft | Windows Server 2016 | 1803 |
| Microsoft | Windows Server 2016 | 1903 |
| Microsoft | Windows Server 2019 | All versions |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1173Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1173Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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