What’s Vulnerable › Vulnerabilities

CVE-2023-28277: Windows DNS Server Information Disclosure Vulnerability

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-190

Description

Windows DNS Server Information Disclosure Vulnerability

Affected products

• Microsoft Windows Server 2022: all versions
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1668 — fixed in 10.0.20348.1668

How to fix

Upgrade to a fixed version: Microsoft Windows Server 2022 10.0.20348.1668. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28277
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28277

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