by Kastro
Paper/Archive/CVE-2026-41089

CVE-2026-41089

Microsoft Windows Server 2012 — Windows Netlogon Remote Code Execution Vulnerability

EPSS 80%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 99.6.996 × 2019.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

Affected

ProductAffectedFixed inSource
Windows Server 20126.2.9200.0 – < 6.2.9200.260796.2.9200.26079CNA
Windows Server 2012 (Server Core installation)6.2.9200.0 – < 6.2.9200.260796.2.9200.26079CNA
Windows Server 2012 R26.3.9600.0 – < 6.3.9600.231816.3.9600.23181CNA
Windows Server 2012 R2 (Server Core installation)6.3.9600.0 – < 6.3.9600.231816.3.9600.23181CNA
Windows Server 201610.0.14393.0 – < 10.0.14393.914010.0.14393.9140CNA
Windows Server 2016 (Server Core installation)10.0.14393.0 – < 10.0.14393.914010.0.14393.9140CNA
Windows Server 201910.0.17763.0 – < 10.0.17763.875510.0.17763.8755CNA
Windows Server 2019 (Server Core installation)10.0.17763.0 – < 10.0.17763.875510.0.17763.8755CNA
Windows Server 202210.0.20348.0 – < 10.0.20348.513910.0.20348.5139CNA
Windows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 – < 10.0.25398.233010.0.25398.2330CNA
Windows Server 202510.0.26100.0 – < 10.0.26100.3286010.0.26100.32860CNA
Windows Server 2025 (Server Core installation)10.0.26100.0 – < 10.0.26100.3286010.0.26100.32860CNA

Scores by source

microsoft (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089