CVE-2020-1186: 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-2020-1187, CVE-2020-1188, CVE-2020-1189, CVE-2020-1190, CVE-2020-1191.
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 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 KB4556812 - 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
Who is exposed to this vulnerability?
Systems running Microsoft Windows 10, Windows Server 2016, or Windows Server 2019 are identified as affected. Exploitation requires local access and low privileges on the target system.
What does an attacker need to do to exploit it?
The attacker must run a specially crafted application on the victim system. No user interaction is required according to the CVSS vector.
What is the impact of successful exploitation?
A successful attacker could execute arbitrary code in an elevated context, potentially gaining high confidentiality, integrity, and availability impact on the affected system.
What should be done if the system is vulnerable?
Apply the security update that corrects how the Windows State Repository Service handles objects in memory. The provided information does not identify an alternative mitigation if patching cannot be performed immediately.