Microsoft Windows
CVE-2020-17046 — Windows Error Reporting Denial of Service Vulnerability
Executive Summary
None
Overview
5.5
CVSS MEDIUM
Low
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.0
EPSS Score
0.01455
probability of exploitation in the next 30 days
0.70039 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
29 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 4586787 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 for x64-based Systems | 4586787 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 4586830 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1607 for x64-based Systems | 4586830 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1803 for 32-bit Systems | 4586785 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1803 for ARM64-based Systems | 4586785 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1803 for x64-based Systems | 4586785 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 4586793 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 4586793 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1809 for x64-based Systems | 4586793 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1903 for 32-bit Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1903 for ARM64-based Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1903 for x64-based Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1909 for 32-bit Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1909 for ARM64-based Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 1909 for x64-based Systems | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 2004 for 32-bit Systems | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 2004 for ARM64-based Systems | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 2004 for x64-based Systems | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server 2016 | 4586830 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server 2016 (Server Core installation) | 4586830 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server 2019 | 4586793 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server 2019 (Server Core installation) | 4586793 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server, version 1903 (Server Core installation) | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server, version 1909 (Server Core installation) | 4586786 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server, version 2004 (Server Core installation) | 4586781 (Security Update) |
Low | Denial of Service | Yes |
| Windows Server, version 20H2 (Server Core Installation) | 4586781 (Security Update) |
Low | Denial of Service | Yes |
Patches
6 patches
| Article | Type | Restart |
|---|---|---|
4586787 |
Security Update | Yes |
4586830 |
Security Update | Yes |
4586785 |
Security Update | Yes |
4586793 |
Security Update | Yes |
4586786 |
Security Update | Yes |
4586781 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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