CVE-2021-28323

MEDIUM

Windows DNS - Information Disclosure via Improper Handling of Case Sensitivity

Title source: llm

Windows DNS Information Disclosure Vulnerability

Core 3

Core References

Patch, Vendor Advisory x_refsource_misc

Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc

Third Party Advisory, VDB Entry x_refsource_misc

CVSS v3 6.5

EPSS 0.0432

EPSS Percentile 89.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-178

Status published

Products (19)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 1607

microsoft/windows_10 1803

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_7

microsoft/windows_8.1

microsoft/windows_rt_8.1

... and 9 more

Published Apr 13, 2021

Tracked Since Feb 18, 2026