Quick answers
- Is CVE-2026-96113 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-96113 being exploited in the wild.
- How severe is CVE-2026-96113?
- Critical severity, with a CVSS score of 9.8, published 13 October 2026.
- Which products and versions are affected?
- Microsoft DNS Server.
- Is there a fix for CVE-2026-96113?
- 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-2026-96113 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-96113?
- Check whether you run Microsoft DNS Server, Microsoft Windows 10 1607, Microsoft Windows 10 1809 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
A heap-based buffer overflow vulnerability in DNS Server allows unauthenticated remote code execution over the network. An attacker can send a specially crafted DNS packet to trigger the overflow condition, enabling arbitrary code execution with the privileges of the DNS service.
Affected products
- Microsoft DNS Server
Timeline
- 2026-10-13: disclosed