CVE-2025-27740: Active Directory Certificate Services Elevation of Privilege Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2008 R2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-27740?
CVE-2025-27740 is classified as an elevation of privilege vulnerability affecting Windows Active Directory Certificate Services.
How do I fix CVE-2025-27740?
To remediate CVE-2025-27740, apply the latest security patches available for your affected Windows Server version.
Which Windows Server versions are affected by CVE-2025-27740?
CVE-2025-27740 affects Windows Server 2008, 2012, 2012 R2, 2016, 2019, 2022, and 2025.
Who is potentially impacted by CVE-2025-27740?
Organizations utilizing affected versions of Windows Server for Active Directory Certificate Services may face risks due to CVE-2025-27740.
Is CVE-2025-27740 being actively exploited?
At this time, there have been no confirmed reports of exploitation of CVE-2025-27740 in the wild.
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