Is CVE-2021-44968 actively exploited?

No active exploitation of CVE-2021-44968 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-44968 be exploited remotely?

No. CVE-2021-44968 requires local access to exploit.

What is the CVSS score of CVE-2021-44968?

CVE-2021-44968 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2021-44968

HIGH

CVE-2021-44968

CWE-416Published: February 18, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

A Use after Free vulnerability exists in IOBit Advanced SystemCare 15 pro via requests sent in sequential order using the IOCTL driver codes, which could let a malicious user execute arbitrary code or a Denial of Service (system crash). IOCTL list: iobit_ioctl = [0x8001e01c, 0x8001e020, 0x8001e024, 0x8001e040,0x8001e044, 0x8001e048, 0x8001e04c, 0x8001e000, 0x8001e004, 0x8001e008, 0x8001e00c, 0x8001e010, 0x8001e014, 0x8001e018]

NVD Source

Technical Analysis

CVE-2021-44968 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.