CVE-2025-55683 Details
Description
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
A vulnerability in the Windows Kernel allows an authorized attacker to locally disclose sensitive information. This issue could potentially be exploited to reveal certain memory addresses within kernel space, which an attacker might leverage for malicious activities.
Users can download the security update for this vulnerability via the Microsoft Update Catalog. Security update KB5066836 is available for Windows Server 2016 and Windows Server 2019. For Windows Server 2022, the security update is part of the 23H2 edition (Server Core installation). Windows Server 2025 and its Server Core installation also have this update available. Users can refer to the respective Knowledge Base articles for more information.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 16, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55683 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows server 2016 | < 10.0.14393.8519 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.7919 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.4294 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.1913 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.6899 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2025 | Initial Analysis | [email protected] |
| Oct 14, 2025 | New CVE Received | [email protected] |