← Vulnerability feed

Vulnerability record · CVE-2021-27965 · published 5 March 2021

CVE-2021-27965: Msi dragon center classic buffer overflow vulnerability

Msi · Dragon Center

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.

9.8 CVSS 3.1 Critical EPSS 12% · top 4.0% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 7.5
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kronl/cve/tree/master/MSI_Dragon_Center Broken LinkThird Party Advisory
https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtab PatchVendor Advisory
https://github.com/kronl/cve/tree/master/MSI_Dragon_Center Broken LinkThird Party Advisory
https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq?activetab=pivot:overviewtab PatchVendor Advisory

Track CVE-2021-27965 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2021-44901Msi dragon center vulnerabilityMicro-Star International (MSI) Dragon Center <= 2.0.116.0 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the atidgllk.sy…EPSS 0.47%7.8CVE-2021-29337Msi dragon center vulnerabilityMODAPI.sys in MSI Dragon Center 2.0.104.0 allows low-privileged users to access kernel memory and potentially escalate privileges via a crafted IOCTL…EPSS 0.80%7.8CVE-2020-13149Msi dragon center incorrect default permissions vulnerabilityWeak permissions on the "%PROGRAMDATA%\MSI\Dragon Center" folder in Dragon Center before 2.6.2003.2401, shipped with Micro-Star MSI Gaming laptops, a…EPSS 0.45%5.5CVE-2025-43520Apple OS kernel memory corruption via malicious appA memory corruption flaw (classic buffer overflow) in Apple's kernel was fixed across iOS, iPadOS, macOS, tvOS, visionOS and watchOS. A malicious app…KEVEPSS 0.43%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed9.8CVE-2022-37055D-Link Go-RT-AC750 router buffer overflow in cgibin hnap_mainD-Link Go-RT-AC750 firmware revisions A v101b03 and B v200b02 contain a classic buffer overflow reachable through the cgibin hnap_main handler. The f…KEVEPSS 56%analysed9.9CVE-2025-20333Cisco ASA and FTD VPN web server buffer overflow allows root RCECisco Secure Firewall ASA and FTD Software fail to properly validate user-supplied input in HTTP(S) requests to the VPN web server, causing a classic…KEVEPSS 71%analysed9.8CVE-2020-15069Sophos XG Firewall buffer overflow in HTTP/S BookmarksSophos XG Firewall 17.x through v17.5 MR12 contains a classic buffer overflow (CWE-120) reachable through the HTTP/S Bookmarks feature used for clien…KEVEPSS 11%analysed

Source: NIST National Vulnerability Database (record CVE-2021-27965), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.