CVE-2026-96866: Network Device Enrollment Service (NDES) Denial of Service Vulnerability
Network Device Enrollment Service (NDES) Denial of Service Vulnerability
Other sources
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835
Event History
Frequently Asked Questions
Which systems should be prioritized for triage?
Prioritize Microsoft Windows systems that run Network Device Enrollment Service (NDES), including the listed Windows 10 and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 platforms. The provided data does not establish that every installation of those operating systems is affected; NDES must be present and exposed to the relevant network traffic.
Does exploiting this issue require authentication or user interaction?
No. The vulnerability is described as exploitable by an unauthorized attacker over a network, and the vector indicates no privileges and no user interaction are required.
What is the expected impact if exploitation succeeds?
Successful exploitation can deny service in NDES. The supplied severity vector identifies availability as the affected security property, with no stated confidentiality or integrity impact.