Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Why is the attack complexity rated High?
Successful exploitation requires a non-default configuration in which an administrator has explicitly authorized the attacker's system to receive DNS zone transfers.
Security updates
10.0.26100.33822 — https://support.microsoft.com/help/5131080
10.0.26100.33730 — https://support.microsoft.com/help/5131077
Vulnerabilities 1
-
High 7.5
Windows DNS Remote Code Execution Vulnerability
Use of uninitialized resource in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
Revision history
-
#1
Information published.
References
-
CVE-2026-113855 Windows DNS Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113855
-
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
-
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
-
Common Vulnerability Scoring System
https://www.first.org/cvss