Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089)
2026-06-01T14:51:46Z•2430fb1a11dc30bfef77982b6e82fe820ca3eeaa83daed00c09b2e12a97b1c68
CCBCVE-2026-41089NetlogonWindowsactive exploitationcriticaldomain controllerremote code executionstack-based buffer overflowvulnerability
What happened
CVE-2026-41089 is a critical, actively exploited stack-based buffer overflow in Windows Netlogon that enables remote code execution against Windows servers providing domain controller services. The Centre for Cybersecurity Belgium (CCB) reported observed exploitation in the wild; successful attacks could lead to domain controller compromise, credential theft, lateral movement, and full domain takeover. Immediate actions: prioritize deployment of vendor patches or mitigations, restrict Netlogon/SMB/related RPC access to trusted management networks, harden and monitor domain controllers for atyp
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- helpnetsecurity
- Record identifier
- 2430fb1a11dc30bfef77982b6e82fe820ca3eeaa83daed00c09b2e12a97b1c68
- Enrichment time
- 2026-06-01T14:51:46Z
- AI-assisted enrichment
- Yes
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