CVE-2021-21786

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A privilege escalation vulnerability exists in the IOCTL 0x9c406144 handling of IOBit Advanced SystemCare Ultimate 14.2.0.220. A specially crafted I/O request packet (IRP) can lead to increased privileges. An attacker can send a malicious IRP to trigger this vulnerability.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-782CWE-269

Affected software

VendorProductVersions
n/aIobitIOBit Advanced SystemCare Ultimate 14.2.0.220

References

Timeline

Published
Jul 7, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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