CVE-2026-96986: Windows DNS out-of-bounds read information disclosure

CVE-2026-96986 · Severity: medium · CVSS 4.9 · Published 2026-11-10

Windows DNS, which resolves domain names to IP addresses for network communication, contains an out-of-bounds read vulnerability. An authorized attacker can exploit this flaw to read sensitive information from memory over the network. The vulnerability has a CVSS score of 4.9 and is not currently known to be exploited in the wild.

Technologies: Microsoft Windows DNS. Vendors: Microsoft.

Quick answers

Is CVE-2026-96986 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-96986 being exploited in the wild.
How severe is CVE-2026-96986?
Medium severity, with a CVSS score of 4.9, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows DNS.
Is there a fix for CVE-2026-96986?
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-2026-96986 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-96986?
Check whether you run Microsoft Windows DNS. 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

An out-of-bounds read vulnerability in Windows DNS allows an authorized attacker to disclose information over a network. The vulnerability requires network access and prior authorization. No publicly available exploit code is known at this time.

Affected products

  • Microsoft Windows DNS

Timeline

  • 2026-11-10: disclosed

References

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