CVE-2021-44900

7.8 highEPSS 0.3%

High (7.8) in msi app player. EPSS 0.3% chance of exploitation in the next 30 days.

Micro-Star International (MSI) App Player <= 4.280.1.6309 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the NTIOLib_X64.sys and BstkDrv_msi2.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
Published: 2022-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

msi:app_player

References

https://voidsec.com
https://voidsec.com/advisories/cve-2021-44900/
https://voidsec.com
https://voidsec.com/advisories/cve-2021-44900/

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