CVE-2026-96980: Windows DNS out-of-bounds read information disclosure

CVE-2026-96980 · Severity: medium · CVSS 4.9 · Published 2026-11-10

Windows DNS, which resolves domain names for network communication, contains a flaw that allows an authenticated attacker to read memory outside the intended bounds and disclose sensitive information. An attacker with authorized access could exploit this over the network to extract confidential data from the affected system.

Technologies: Microsoft Windows DNS. Vendors: Microsoft.

Quick answers

Is CVE-2026-96980 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-96980 being exploited in the wild.
How severe is CVE-2026-96980?
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-2026-96980?
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-2026-96980 attacked?
It is attacked over the network.
Am I affected by CVE-2026-96980?
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 authenticated attacker to access memory regions outside the DNS process's allocated buffer. The vulnerability requires network access and authenticated credentials, enabling information disclosure of potentially sensitive memory contents. No public exploit exists at this time.

Affected products

  • Microsoft Windows DNS

Timeline

  • 2026-11-10: disclosed

References

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