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

Source: https://junglewise.ai/threats/cve-2026-96986-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/windows-dns). Vendors: [Microsoft](https://junglewise.ai/threats/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

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96986](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96986)

## Related threats

- [Microsoft Windows DNS out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-96988-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker)
- [Windows DNS out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-96987-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker)
- [Windows DNS out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-96985-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker)
- [Windows DNS out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-96980-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker)
- [Windows DNS out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-96976-out-of-bounds-read-in-windows-dns-allows-an-authorized-attacker)