CVE-2020-1191: Windows State Repository Service Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory, aka 'Windows State Repository Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1124, CVE-2020-1131, CVE-2020-1134, CVE-2020-1144, CVE-2020-1184, CVE-2020-1185, CVE-2020-1186, CVE-2020-1187, CVE-2020-1188, CVE-2020-1189, CVE-2020-1190.
Other sources
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows State Repository Service handles objects in memory.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556812 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556813 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556799 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4551853 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556807
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this vulnerability?
An attacker needs local access and the ability to run a specially crafted application on the victim system. The CVSS vector indicates low privileges are required and no user interaction is required.
What could a successful exploit allow an attacker to do?
A successful exploit could allow arbitrary code to run in an elevated context, potentially affecting confidentiality, integrity, and availability.
Which systems are identified as affected?
The listed affected software includes Microsoft Windows 10, Microsoft Windows Server 2016, and Microsoft Windows Server 2019.
What remediation is described?
Apply the vendor update that corrects how the Windows State Repository Service handles objects in memory.