cve.bz

CVE-2021-21786

7.8 highEPSS 0.3%

High (7.8) in iobit advanced systemcare ultimate. EPSS 0.3% chance of exploitation in the next 30 days.

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.

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 22% of CVEs (scores of 2026-10-31)
CWEs
CWE-269, CWE-782
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON