CVE-2021-27965
CRITICAL
9.8
CVSS Score
Published: March 5, 2021 at 01:53 AM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorDragon Center
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Severity
CRITICAL9.8
Exploit prediction
EPSS 12%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.0.98.0
Affected range stops below 2.0.98.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCBroken LinkThird Party Advisory
Source: [email protected]
https://github.com/kronl/cve/tree/master/MSI_Dragon_Centerx_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtabCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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