CVE-2021-27965

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 22.63% Top 5%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/kronl/cve/tree/master/MSI_Dragon_Center third party advisory broken link
https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtab patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27965?
CVE-2021-27965 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27965?
To fix CVE-2021-27965, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27965 being actively exploited in the wild?
It is possible that CVE-2021-27965 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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