CVE-2025-27737: Windows Security Zone Mapping Security Feature Bypass Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 10 | =1607 | |
| Microsoft Windows Server 2022 | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Windows 10 | =21H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2016 | ||
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server | ||
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1607 | |
| Windows 11 | =22H2 | |
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2019 | ||
| Windows 10 | =1809 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server | ||
| Windows 10 | =1809 | |
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-27737?
CVE-2025-27737 has a critical severity rating, indicating a significant risk to affected systems.
How do I fix CVE-2025-27737?
To fix CVE-2025-27737, install the latest security patches provided by Microsoft for the affected versions of Windows.
Which systems are affected by CVE-2025-27737?
CVE-2025-27737 affects various versions of Windows 10, Windows 11, and Windows Server 2022 and 2016.
What type of vulnerability is CVE-2025-27737?
CVE-2025-27737 is categorized as an improper input validation vulnerability.
Can CVE-2025-27737 be exploited remotely?
CVE-2025-27737 allows unauthorized attackers to bypass security features locally, not through remote exploitation.
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- agent/description
- agent/tags
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- vendor/microsoft
- canonical/windows 10
- version/windows 10/1607
- canonical/microsoft windows server 2022
- canonical/windows 11
- version/windows 11/23h2
- canonical/microsoft windows server 2022 23h2
- version/windows 10/21h2
- version/windows 10/22h2
- version/windows 11/24h2
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2025
- canonical/microsoft windows server
- version/windows 11/22h2
- canonical/microsoft windows server 2012 r2
- canonical/microsoft windows server 2008 r2
- canonical/microsoft windows server 2019
- version/windows 10/1809