by Kastro
Paper/Archive/CVE-2026-88234

CVE-2026-88234

Microsoft Windows Server 2016 — Windows iSCSI Remote Code Execution Vulnerability

CVSS 9.8
critical.is priorityof 100
29
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Release of invalid pointer or reference in Windows iSCSI allows an unauthorized attacker to execute code over a network.

Affected

ProductAffectedFixed inSource
Windows Server 201610.0.14393.0 – < 10.0.14393.968810.0.14393.9688CNA
Windows Server 2016 (Server Core installation)10.0.14393.0 – < 10.0.14393.968810.0.14393.9688CNA
Windows Server 201910.0.17763.0 – < 10.0.17763.948710.0.17763.9487CNA
Windows Server 2019 (Server Core installation)10.0.17763.0 – < 10.0.17763.948710.0.17763.9487CNA
Windows Server 202210.0.20348.0 – < 10.0.20348.587010.0.20348.5870CNA
Windows Server 202510.0.26100.0 – < 10.0.26100.3382210.0.26100.33822CNA
Windows Server 2025 (Server Core installation)10.0.26100.0 – < 10.0.26100.3382210.0.26100.33822CNA

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-2026-88234