Critical severity9.8NVD Advisory· Published May 12, 2026· Updated May 15, 2026
CVE-2026-41089
CVE-2026-41089
Description
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
Affected products
8cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.2330
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*Range: <10.0.14393.9140
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*Range: <10.0.17763.8755
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*Range: <10.0.20348.5074
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*Range: <10.0.26100.32772
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089nvdVendor Advisory
News mentions
21- 8th June – Threat Intelligence ReportCheck Point Research · Jun 8, 2026
- Week in review: Cisco SD-WAN 0-day exploited, Patch Tuesday forecastHelp Net Security · Jun 7, 2026
- Critical Windows Netlogon Vulnerability in Attackers’ CrosshairsSecurityWeek · Jun 1, 2026
- Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089)Help Net Security · Jun 1, 2026
- ⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI-Powered Attacks, OAuth Phishing and MoreThe Hacker News · Jun 1, 2026
- Critical Windows Netlogon RCE flaw now exploited in attacksBleepingComputer · Jun 1, 2026
- Windows Netlogon 0-Click RCE Vulnerability Now Actively Exploited In The WildCyber Security News · Jun 1, 2026
- Microsoft on pace to break annual vulnerability record as AI-driven patch wave takes holdThe Record · May 13, 2026
- Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE FlawsThe Hacker News · May 13, 2026
- Microsoft Fixes 17 Critical Flaws in May Patch TuesdayInfosecurity Magazine · May 13, 2026
- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026
- Doozy of a Patch Tuesday includes 30 critical Microsoft CVEsThe Register Security · May 12, 2026
- Defense at AI speed: Microsoft’s new multi-model agentic security system tops leading industry benchmarkMicrosoft Security Blog · May 12, 2026
- Patch Tuesday, May 2026 EditionKrebs on Security · May 12, 2026
- It's Patch Tuesday for Microsoft & Not a Zero-Day In SightDark Reading · May 12, 2026
- Microsoft Patch Tuesday for May 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · May 12, 2026
- Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-daysHelp Net Security · May 12, 2026
- Microsoft May 2026 Patch Tuesday, (Tue, May 12th)SANS Internet Storm Center · May 12, 2026
- Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-daysBleepingComputer · May 12, 2026
- Microsoft’s May 2026 Patch Tuesday Addresses 118 CVEs (CVE-2026-41103)Tenable Blog · May 12, 2026
- May 2026 Patch Tuesday: 30 Critical Vulnerabilities Among 130 CVEsCrowdStrike Blog