CVE record · CVE-2020-1191

Windows State Repository Service Elevation of Privilege Vulnerability

CVSS 7.8 HighEPSS 0.017 · 77th percentile

Published by the CVE Program (CNA: microsoft) at 21 May 2020, 22:53 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Windows 10 Version 1607	affected 10.0.14393.0 to before publication custom
Microsoft	Windows 10 Version 1709	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1709 for 32-bit Systems	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1803	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1809	affected 10.0.17763.0 to before publication custom
Microsoft	Windows 10 Version 1809	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1903 for 32-bit Systems	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1903 for x64-based Systems	affected 10.0.0 to before publication custom
Microsoft	Windows 10 Version 1909	affected 10.0.0 to before publication custom
Microsoft	Windows Server 2016	affected 10.0.14393.0 to before publication custom
Microsoft	Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 to before publication custom
Microsoft	Windows Server 2019	affected 10.0.17763.0 to before publication custom
Microsoft	Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 to before publication custom
Microsoft	Windows Server, version 1803 (Server Core Installation)	affected 10.0.0 to before publication custom
Microsoft	Windows Server, version 1903 (Server Core installation)	affected 10.0.0 to before publication custom
Microsoft	Windows Server, version 1909 (Server Core installation)	affected 10.0.0 to before publication custom

Identifiers: CVE-2020-1191
CNA: microsoft
Tags: Microsoft Windows 10 Version 1607
Microsoft Windows 10 Version 1709
Microsoft Windows 10 Version 1709 for 32-bit Systems
Microsoft Windows 10 Version 1803
Microsoft Windows 10 Version 1809
Microsoft Windows 10 Version 1903 for 32-bit Systems
Microsoft Windows 10 Version 1903 for ARM64-based Systems
Microsoft Windows 10 Version 1903 for x64-based Systems
Published: 21 May 2020
Updated: 19 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.017, the 77th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 21 May 2020. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1191 vendor-advisorypatch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.