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01 Record

CVE-2021-41336

Windows Kernel Information Disclosure Vulnerability

MediumPUBLISHEDCNA: microsoft
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

02 Description

Windows Kernel Information Disclosure Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 53.8% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-10-13 00:27Z5 YR AGO
Last updated
2024-08-04 03:08Z2 YR AGO
Reserved
2021-09-17
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
a45b2408b5d13565a1b68f1960ea44c409ba0c74116092c3f0a85d6f525b605a

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows Server 202210.0.0 to < 10.0.20348.288x64-based Systems
MicrosoftWindows 11 version 21H210.0.0 to < 10.0.22000.258x64-based Systems, ARM64-based Systems

06 References