CVE-2021-44900 json
Micro-Star International (MSI) App Player <= 4.280.1.6309 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the N…
published 2022-02-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31700
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
References
-
voidsec.com
third-party-advisory
-
voidsec.com
/advisories/cve-2021-44900/
third-party-advisory
Sources
- CVE List CVE-2021-44900
- NVD CVE-2021-44900
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.