An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application to take control of an affected system.
The update addresses the vulnerability by correcting how the Windows Update Stack handles objects in memory.
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History
Wed, 19 Aug 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory, aka 'Windows Update Stack Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1109. | An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application to take control of an affected system. The update addresses the vulnerability by correcting how the Windows Update Stack handles objects in memory. |
| Title | Windows Update Stack Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft windows 10 1809
Microsoft windows 10 1909 Microsoft windows Server 1803 Microsoft windows Server 1903 Microsoft windows Server 1909 |
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| CPEs | cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_server_1803:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Microsoft windows 10 1809
Microsoft windows 10 1909 Microsoft windows Server 1803 Microsoft windows Server 1903 Microsoft windows Server 1909 |
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| References |
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| Metrics |
cvssV3_1
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cvssV3_1
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Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-08-19T16:33:37.111Z
Reserved: 2019-11-04T00:00:00.000Z
Link: CVE-2020-1110
No data.
Status : Modified
Published: 2020-05-21T23:15:14.993
Modified: 2026-08-19T17:17:18.700
Link: CVE-2020-1110
No data.
OpenCVE Enrichment
No data.