CVEvulnerability
CVE-2020-1021
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-05-21
- Last modified
- 2026-08-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-362
Description
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it.
An attacker who successfully exploited the vulnerability could gain greater access to sensitive information and system functionality. To exploit the vulnerability, an attacker could run a specially crafted application.
The security update addresses the vulnerability by correcting the way that WER handles and executes files.
Affected configurations
• microsoft windows 10
• microsoft windows 10 1607
• microsoft windows 10 1709
• microsoft windows 10 1803
• microsoft windows 10 1809
• microsoft windows 10 1903
• microsoft windows 10 1909
• microsoft windows server 2016
• microsoft windows server 2016 1903
• microsoft windows server 2016 1909
• microsoft windows server 2019
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1021 msrc.microsoft.com
- http://packetstormsecurity.com/files/158028/Microsoft-Windows-Privilege-Escalation-Code-Execution.html Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1021 Patch, Vendor Advisory