Detections
Analytics

CVE-2021-27965

critical

Description

The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.

References

https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtab

https://github.com/kronl/cve/tree/master/MSI_Dragon_Center

Details

Source: Mitre, NVD

Published: 2021-03-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.22627