CVE-2026-20818
Jan. 14, 2026, 8:32 p.m.
6.2
Medium
Description
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Microsoft |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-532
Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| o | microsoft | windows_server_2016 | / | / | / | / | / | / | / | / |
| o | microsoft | windows_server_2019 | / | / | / | / | / | / | / | / |
| o | microsoft | windows_server_2022 | / | / | / | / | / | / | / | / |
| o | microsoft | windows_server_2022_23h2 | / | / | / | / | / | / | / | / |
| o | microsoft | windows_server_2025 | / | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: LOCAL
- Attack Complexity: LOW
- Privileges Required: NONE
- Scope: UNCHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: NONE
- Availability Impact: NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Timeline
Published: Jan. 13, 2026, 6:16 p.m.
Last Modified: Jan. 14, 2026, 8:32 p.m.
Last Modified: Jan. 14, 2026, 8:32 p.m.
Status : Analyzed
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.