CVE-2025-21189
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21189 is fixed in 37 products on 1 platform, first by KB5049993, released January 14, 2025. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
4.3
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0291
87th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.7699 | KB5049993 | Jan 14, 2025 |
| Windows 10 Version 1607 for x64-based Systems | 14393.7699 | KB5049993 | Jan 14, 2025 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.6775 | KB5050008 | Jan 14, 2025 |
| Windows 10 Version 1809 for x64-based Systems | 17763.6775 | KB5050008 | Jan 14, 2025 |
| Windows 10 Version 21H2 for 32-bit Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5049981 | Jan 14, 2025 | |
| Windows 10 for 32-bit Systems | 10240.20890 | KB5050013 | Jan 14, 2025 |
| Windows 10 for x64-based Systems | 10240.20890 | KB5050013 | Jan 14, 2025 |
| Windows 11 Version 22H2 for ARM64-based Systems | KB5050021 | Jan 14, 2025 | |
| Windows 11 Version 22H2 for x64-based Systems | KB5050021 | Jan 14, 2025 | |
| Windows 11 Version 23H2 for ARM64-based Systems | KB5050021 | Jan 14, 2025 | |
| Windows 11 Version 23H2 for x64-based Systems | KB5050021 | Jan 14, 2025 | |
| Windows 11 Version 24H2 for ARM64-based Systems | 26100.2894 | KB5050009 | Jan 14, 2025 |
| Windows 11 Version 24H2 for x64-based Systems | 26100.2894 | KB5050009 | Jan 14, 2025 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5050049 | Jan 14, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5049994 | Jan 14, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5050049 | Jan 14, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5049994 | Jan 14, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5050063 | Jan 14, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5049994 | Jan 14, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5050063 | Jan 14, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5049994 | Jan 14, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5050063 | Jan 14, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5049994 | Jan 14, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5050063 | Jan 14, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5049994 | Jan 14, 2025 | |
| Windows Server 2012 | KB5049994 | Jan 14, 2025 | |
| Windows Server 2012 | KB5050004 | Jan 14, 2025 | |
| Windows Server 2012 (Server Core installation) | KB5049994 | Jan 14, 2025 | |
| Windows Server 2012 (Server Core installation) | KB5050004 | Jan 14, 2025 | |
| Windows Server 2012 R2 | KB5050048 | Jan 14, 2025 | |
| Windows Server 2012 R2 | KB5049994 | Jan 14, 2025 | |
| Windows Server 2012 R2 (Server Core installation) | KB5050048 | Jan 14, 2025 | |
| Windows Server 2012 R2 (Server Core installation) | KB5049994 | Jan 14, 2025 | |
| Windows Server 2016 | 14393.7699 | KB5049993 | Jan 14, 2025 |
| Windows Server 2016 (Server Core installation) | 14393.7699 | KB5049993 | Jan 14, 2025 |
| Windows Server 2019 | 17763.6775 | KB5050008 | Jan 14, 2025 |
| Windows Server 2019 (Server Core installation) | 17763.6775 | KB5050008 | Jan 14, 2025 |
| Windows Server 2022 | 20348.3091 | KB5049983 | Jan 14, 2025 |
| Windows Server 2022 (Server Core installation) | 20348.3091 | KB5049983 | Jan 14, 2025 |
| Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.1369 | KB5049984 | Jan 14, 2025 |
| Windows Server 2025 | 26100.2894 | KB5050009 | Jan 14, 2025 |
| Windows Server 2025 (Server Core installation) | 26100.2894 | KB5050009 | Jan 14, 2025 |
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