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CVE-2021-31955Windows Kernel Information Disclosure Vulnerability
Windows Kernel Information Disclosure Vulnerability
5.5 MEDIUMEPSS 81.10%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 5.5 | MEDIUM | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 5.5 | MEDIUM | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C |
| 2.1 | LOW | 2.0NVD | AV:L/AC:L/Au:N/C:P/I:N/A:N |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-31955
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Jun 8, 2021
- Last modified
- 2026-06-17 03:52 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 10 Version 18091 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows Server 20191 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows Server 2019 (Server Core installation)1 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows 10 Version 19091 version range
- 10.0.0 before 10.0.18363.1621
MicrosoftWindows 10 Version 21H11 version range
- 10.0.0 before 10.0.19043.1052
MicrosoftWindows 10 Version 20041 version range
- 10.0.0 before 10.0.19041.1052
MicrosoftWindows Server version 20041 version range
- 10.0.0 before 10.0.19041.1052
MicrosoftWindows 10 Version 20H21 version range
- 10.0.0 before 10.0.19042.1052
MicrosoftWindows Server version 20H21 version range
- 10.0.0 before 10.0.19042.1052