CVE tracker / CVE-2026-113855

CVE-2026-113855

CVE-2026-113855 is the Windows DNS Remote Code Execution Vulnerability. Microsoft rates it Important, CVSS 7.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published November 10, 2026.

Risk summary

HighRemote Code Execution
7.5
CVSS v3 base
High
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Use of uninitialized resource in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.”

How to fix it

Microsoft lists 2 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-908: Use of Uninitialized Resource
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
November 10, 2026
Last revised
November 10, 2026

Get told when this changes

Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.

Join Senserva Watch

References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.