CVE-2025-21247: MapUrlToZone Security Feature Bypass Vulnerability
First published: Tue Mar 11 2025(Updated: )
<p>Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2022 23H2 | ||
| Windows 11 | =22H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2012 R2 | ||
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 10 | =1607 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21247?
CVE-2025-21247 has been assigned a severity rating that indicates a moderate risk of bypassing security features.
How do I fix CVE-2025-21247?
To fix CVE-2025-21247, apply the appropriate patches released by Microsoft for the affected Windows versions.
What software versions are affected by CVE-2025-21247?
CVE-2025-21247 affects various Windows versions, including Windows 10, Windows 11, and different versions of Windows Server.
Can CVE-2025-21247 be exploited remotely?
Yes, CVE-2025-21247 allows an unauthorized attacker to bypass a security feature over a network.
Is CVE-2025-21247 specific to any Windows edition?
CVE-2025-21247 affects specific editions of Windows including Windows 10 and Windows Server, based on the listed versions.
- collector/msrc-cve
- source/Microsoft
- agent/software-canonical-lookup
- agent/title
- agent/references
- agent/type
- agent/first-publish-date
- collector/msrc
- agent/software-canonical-lookup-request
- collector/nvd-api
- source/NVD
- agent/severity
- agent/author
- agent/weakness
- agent/source
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/softwarecombine
- vendor/microsoft
- canonical/microsoft windows server
- canonical/microsoft windows server 2022 23h2
- canonical/windows 11
- version/windows 11/22h2
- version/windows 11/23h2
- canonical/microsoft windows server 2019
- canonical/microsoft windows server 2008 r2
- canonical/microsoft windows server 2025
- canonical/microsoft windows server 2012 r2
- version/windows 11/24h2
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2022
- canonical/windows 10
- version/windows 10/1809
- version/windows 10/22h2
- version/windows 10/1607
- version/windows 10/21h2