Is CVE-2026-88112 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-88112 being exploited in the wild.

How severe is CVE-2026-88112?

High severity, with a CVSS score of 8.8, published 13 October 2026.

Is there a fix for CVE-2026-88112?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-88112 attacked?

It is attacked over the network, in a hosted service.

Am I affected by CVE-2026-88112?

Check whether you run Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-88112: DNS Server untrusted pointer dereference allows remote code execution

CVE-2026-88112 · Severity: high · CVSS 8.8 · Published 2026-10-13

A DNS Server component contains a vulnerability that allows an unauthorized attacker to execute arbitrary code remotely over a network. This could enable attackers to take control of systems running vulnerable DNS services, leading to potential data theft, system compromise, or further network attacks.

Technologies: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows 11 26h2, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, DNS Server. Vendors: Microsoft.

Quick answers

Is CVE-2026-88112 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-88112 being exploited in the wild.
How severe is CVE-2026-88112?: High severity, with a CVSS score of 8.8, published 13 October 2026.
Which products and versions are affected?: DNS Server.
Is there a fix for CVE-2026-88112?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-88112 attacked?: It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-88112?: Check whether you run Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability involves an untrusted pointer dereference in the DNS Server component, allowing remote code execution without authentication. An attacker can exploit this over the network to gain arbitrary code execution on the affected system. The flaw affects pointer validation in DNS server packet processing.

Affected products

DNS Server

Timeline

2026-10-13: disclosed

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88112

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