CVE-2026-96988: Microsoft Windows DNS out-of-bounds read information disclosure

CVE-2026-96988 · Severity: medium · CVSS 4.9 · Published 2026-11-10

Windows DNS, which resolves domain names for networked systems, contains an out-of-bounds read vulnerability that allows an authorized attacker to disclose sensitive information. An attacker with network access and appropriate credentials could exploit this flaw to read data beyond the intended memory boundaries, potentially exposing system information or other confidential data.

Technologies: Microsoft Windows DNS. Vendors: Microsoft.

Quick answers

Is CVE-2026-96988 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-96988 being exploited in the wild.
How severe is CVE-2026-96988?
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-2026-96988?
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-2026-96988 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-96988?
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 in Windows DNS allows an authenticated remote attacker to disclose information via the network. The vulnerability requires authorization to trigger and does not permit code execution, but can expose sensitive memory contents. A patch from Microsoft is expected to resolve this issue.

Affected products

  • Microsoft Windows DNS

Timeline

  • 2026-11-10: disclosed

References

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