CVE-2021-27965
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 11.84% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- msi/dragon center
- Source
- cve@mitre.org
EPSS 11.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/kronl/cve/tree/master/MSI_Dragon_CenterBroken Link, Third Party Advisory
- https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtabPatch, Vendor Advisory
- https://github.com/kronl/cve/tree/master/MSI_Dragon_CenterBroken Link, Third Party Advisory
- https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtabPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.