CVE-2020-1186: Windows State Repository Service Elevation of Privilege Vulnerability
This Microsoft advisory covers CVE-2020-1186 in Windows Server 2016 (Server Core installation), Windows Server 2019 (Server Core installation) and Windows Server, version 1803 (Server Core Installation).
- CVE-2020-1186
Key facts
- Vendor rating
- High, CVSS 7.8
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Windows 10 Version 1607 10.0.14393.0 before publication; Windows 10 Version 1709 10.0.0 before publication; Windows 10 Version 1709 for 32-bit Systems 10.0.0 before publication and 9 more below
- Fixed in
- publication
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
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.
Affected products named by the advisory: Windows Server 2016; Windows Server 2016 (Server Core installation); Windows Server 2019; Windows Server 2019 (Server Core installation); and 3 more.
Affected products named by the advisory: Windows Server, version 1803 (Server Core Installation); Windows Server, version 1903 (Server Core installation); Windows Server, version 1909 (Server Core installation).
Text from the source record.
- Windows 10 Version 1607 10.0.14393.0 before publication
- Windows 10 Version 1709 10.0.0 before publication
- Windows 10 Version 1709 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1803 10.0.0 before publication
- Windows 10 Version 1809 10.0.17763.0 before publication
- Windows 10 Version 1809 10.0.0 before publication
- Windows 10 Version 1903 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1903 for ARM64-based Systems 10.0.0 before publication
- Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
- Windows 10 Version 1909 10.0.0 before publication
- Windows Server 2016 10.0.14393.0 before publication
- Windows Server 2016 (Server Core installation) 10.0.14393.0 before publication
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2020-1186
Upgrade to a fixed release named by Microsoft:
- publication
Vendor guidance
- The update addresses the vulnerability by correcting the way the Windows State Repository Service handles objects in memory.
End-of-life dates for Windows Server
More Microsoft Server advisories
CVE-2026-88229Nov 10, 2026Windows Media Player Remote Code Execution VulnerabilityCVE-2026-95874Nov 10, 2026Xbox Gaming Services Elevation of Privilege VulnerabilityCVE-2026-96096Oct 13, 2026Windows Media Player Remote Code Execution VulnerabilityCVE-2026-83926Oct 13, 2026Windows Hello Security Feature Bypass VulnerabilityCVE-2026-83740Oct 13, 2026Windows Hello Elevation of Privilege VulnerabilityCVE-2026-81354Sep 8, 2026Windows Hello Elevation of Privilege Vulnerability
Microsoft Server advisories, May 2020All Microsoft Server advisories
Get an email when Windows Server publishes the next one.
See Windows Server's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
iPhone and Android apps · New on the App Store
Monitor future Microsoft Server CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
