# CVE-2026-96861: Microsoft Network Device Enrollment Service out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-96861-out-of-bounds-read-in-network-device-enrollment-service-ndes  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-96861 · Severity: high · CVSS 7.5 · Published 2026-10-13

The Network Device Enrollment Service (NDES), which manages digital certificates for network devices, contains an out-of-bounds read vulnerability that can be exploited remotely without authentication. An attacker can trigger this flaw to crash the service, causing a denial of service and preventing legitimate devices from enrolling or renewing certificates.

Technologies: [Microsoft Network Device Enrollment Service](https://junglewise.ai/threats/technologies/network-device-enrollment-service), [Microsoft Windows 10 1607](https://junglewise.ai/threats/technologies/windows-10-1607), [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809), [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012), [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016), [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019), [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022), [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-96861 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-96861 being exploited in the wild.

**How severe is CVE-2026-96861?** High severity, with a CVSS score of 7.5, published 13 October 2026.

**Which products and versions are affected?** Microsoft Network Device Enrollment Service.

**Is there a fix for CVE-2026-96861?** 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-2026-96861 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-96861?** Check whether you run Microsoft Network Device Enrollment Service, 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

An out-of-bounds read in the Network Device Enrollment Service allows a remote, unauthenticated attacker to trigger a denial-of-service condition. The vulnerability stems from improper bounds checking in NDES, which can be exploited via network traffic without requiring user interaction or prior authentication.

## Affected products

- Microsoft Network Device Enrollment Service

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96861](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96861)

## Related threats

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- [Windows DNS Server out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-97843-out-of-bounds-read-in-dns-server-allows-an-authorized-attacker-to)
- [Windows DNS Server out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-97842-out-of-bounds-read-in-dns-server-allows-an-authorized-attacker-to)
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- [DNS Server out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-97840-out-of-bounds-read-in-dns-server-allows-an-authorized-attacker-to)