CVE-2021-44899

Name: CVE-2021-44899
Creator: NVD / NIST
Published: 2022-02-04T11:15:09.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2021-44899 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Micro-Star International (MSI) Center <= 1.0.31.0 is vulnerable to multiple Privilege Escalation vulnerabilities in the atidgllk.sys, atillk64.sys, MODAPI.sys, NTIOLib.sys, NTIOLib_X64.sys, WinRing0.sys, WinRing0x64.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Micro-Star International (MSI) Center <= 1.0.31.0 is vulnerable to multiple Privilege Escalation vulnerabilities in the atidgllk.sys, atillk64.sys, MODAPI.sys, NTIOLib.sys, NTIOLib_X64.sys, WinRing0.sys, WinRing0x64.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Msi	Center	<= 1.0.31.0

References

https://voidsec.comThird Party Advisory
https://voidsec.com/advisories/cve-2021-44899/Exploit, Third Party Advisory
https://voidsec.comThird Party Advisory
https://voidsec.com/advisories/cve-2021-44899/Exploit, Third Party Advisory

Timeline

Published: Feb 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44899?

How severe is CVE-2021-44899?

CVE-2021-44899 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44899?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44899?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST