Out-of-Bounds Read Vulnerability in DNS Server by Microsoft
CVE-2026-97836

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1607
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Vendor
CVE Published:
13 October 2026

What is CVE-2026-97836?

A vulnerability exists in Microsoft DNS Server that permits an authorized attacker to perform an out-of-bounds read operation. This weakness may allow the attacker to disclose sensitive information over a network, presenting a risk to the security and integrity of affected systems. It's essential for organizations using Microsoft DNS Server to remain vigilant and apply necessary patches to mitigate this risk.

Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9612

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9376

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7807

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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