A critical stack-based buffer overflow vulnerability (CVE-2026-41089, CVSS 9.8) in Windows Netlogon allows unauthenticated attackers to execute arbitrary code with SYSTEM privileges on domain controllers via specially crafted packets. The vulnerability is actively being exploited in the wild, necessitating immediate patching of affected Windows Server environments.
CVE-2026-41089
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Security Advisory 2026-007 8th June – Threat Intelligence Report This threat intelligence report highlights active exploitation of critical vulnerabilities, including a Windows Netlogon RCE (CVE-2026-41089) and an Android Framework flaw. It also details significant data breaches affecting DentaQuest and the UN WFP, emerging AI-driven threats such as EDR evasion labs, a supply chain compromise of the Hola browser, and Iranian state-sponsored espionage operations utilizing Dutch hosting infrastructure.
Cyber Centre Daily Advisory Digest — 2026-06-01 (9 advisories) The Canadian Centre for Cyber Security published a daily digest of nine security advisories covering critical updates for major vendors including Microsoft, IBM, Dell, Ubuntu, Red Hat, Ivanti, and Plesk. Notably, the digest highlights that CVE-2026-41089, a Windows Netlogon Remote Code Execution vulnerability, is actively being exploited in the wild.
May’s Patch Tuesday hauls out 132 CVEs Microsoft's May 2026 Patch Tuesday release addresses 132 CVEs, including 29 Critical vulnerabilities and 14 with a CVSS score of 9.0 or higher. Key threats include a critical authentication bypass in the Microsoft SSO Plugin for Jira & Confluence, unauthorized RCEs in Windows Netlogon and DNS Client, and multiple Office RCEs exploitable via the Preview Pane.
