CVE-2025-55683
published 2025-10-14CVE-2025-55683: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2016 | < 10.0.14393.8519 | 10.0.14393.8519 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8519 | 10.0.14393.8519 |
| microsoft | windows_server_2019 | < 10.0.17763.7919 | 10.0.17763.7919 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.7919 | 10.0.17763.7919 |
| microsoft | windows_server_2022 | < 10.0.20348.4294 | 10.0.20348.4294 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.4294 | 10.0.20348.4294 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1913 | 10.0.25398.1913 |
| microsoft | windows_server_2025 | < 10.0.26100.6899 | 10.0.26100.6899 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.6899 | 10.0.26100.6899 |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
Microsoft
Windows Kernel Information Disclosure Vulnerability
vendor_msrc·2025-10-14·CVSS 5.5
CVE-2025-55683 [MEDIUM] CWE-200 Windows Kernel Information Disclosure Vulnerability
Windows Kernel Information Disclosure Vulnerability
Description: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
FAQ: What type of information could be disclosed by this vulnerability?
Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.
Windows Kernel: Windows Kernel
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5066
GHSA
GHSA-fwgq-v3hj-v285: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally
ghsa_unreviewed·2025-10-14
CVE-2025-55683 [MEDIUM] CWE-200 GHSA-fwgq-v3hj-v285: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
No detection rules found.
No public exploits indexed.
2025-10-14
Published