Description
Windows DNS Information Disclosure Vulnerability
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows 10 1809; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 21h2; microsoft: windows 11 22h2; microsoft: windows 11 23h2; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022; microsoft: windows server 2022 23h2
References2
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21377 PatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21377 PatchVendor Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 1% percentile: 51 · as of 5 November 2026
- CWE
- CWE-197
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.