CVE-2021-1637
Windows DNS Query Information Disclosure Vulnerability
CVE-2021-1637 is fixed in 30 products on 1 platform, first by KB4598243, released January 12, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0122
68th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1967 | KB4598245 | Jan 12, 2021 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1967 | KB4598245 | Jan 12, 2021 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1967 | KB4598245 | Jan 12, 2021 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.1697 | KB4598230 | Jan 12, 2021 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.1697 | KB4598230 | Jan 12, 2021 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1697 | KB4598230 | Jan 12, 2021 |
| Windows 10 Version 1909 for 32-bit Systems | 18363.1316 | KB4598229 | Jan 12, 2021 |
| Windows 10 Version 1909 for ARM64-based Systems | 18363.1316 | KB4598229 | Jan 12, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1316 | KB4598229 | Jan 12, 2021 |
| Windows 10 Version 2004 for 32-bit Systems | KB4598242 | Jan 12, 2021 | |
| Windows 10 Version 2004 for ARM64-based Systems | KB4598242 | Jan 12, 2021 | |
| Windows 10 Version 2004 for x64-based Systems | KB4598242 | Jan 12, 2021 | |
| Windows 10 Version 20H2 for 32-bit Systems | KB4598242 | Jan 12, 2021 | |
| Windows 10 Version 20H2 for ARM64-based Systems | KB4598242 | Jan 12, 2021 | |
| Windows 10 for 32-bit Systems | 10240.18818 | KB4598231 | Jan 12, 2021 |
| Windows 10 for x64-based Systems | 10240.18818 | KB4598231 | Jan 12, 2021 |
| Windows 8.1 for 32-bit systems | KB4598285 | Jan 12, 2021 | |
| Windows 8.1 for 32-bit systems | KB4598275 | Jan 12, 2021 | |
| Windows 8.1 for x64-based systems | KB4598285 | Jan 12, 2021 | |
| Windows 8.1 for x64-based systems | KB4598275 | Jan 12, 2021 | |
| Windows RT 8.1 | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 | KB4598275 | Jan 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB4598275 | Jan 12, 2021 | |
| Windows Server 2016 | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows Server 2019 | 17763.1697 | KB4598230 | Jan 12, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.1697 | KB4598230 | Jan 12, 2021 |
| Windows Server, version 1909 (Server Core installation) | 18363.1316 | KB4598229 | Jan 12, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB4598242 | Jan 12, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB4598242 | Jan 12, 2021 | |
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