CVE-2021-27965 in the critical feed json
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…
published 2021-03-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14683
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 11.8%
- EPSS 11.8% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- msi dragon_center 2.0.98.0
Exploit prediction
11.84% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
microsoft.com
/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtab
patch, vendor-advisory
-
github.com
/kronl/cve/tree/master/MSI_Dragon_Center
broken-link, third-party-advisory
Sources
- CVE List CVE-2021-27965
- NVD CVE-2021-27965
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.