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Vulnerability record · CVE-2016-20055 · published 4 April 2026

CVE-2016-20055: Iobit advanced system care unquoted search path vulnerability

Iobit · Advanced System Care

IObit Advanced SystemCare 10.0.2 contains an unquoted service path vulnerability in the AdvancedSystemCareService10 service that allows local attackers to escalate privileges. Attackers can place a malicious executable in the service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

8.5 CVSS 4.0 High EPSS 0.18% · top 93.6% CWE-428 · Unquoted search path
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
21 Jul 2026Last modified by NVD

Description

IObit Advanced SystemCare 10.0.2 contains an unquoted service path vulnerability in the AdvancedSystemCareService10 service that allows local attackers to escalate privileges. Attackers can place a malicious executable in the service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
http://www.iobit.com/en/advancedsystemcarefree.php# Product
http://www.iobit.com/en/index.php Product
https://www.exploit-db.com/exploits/40577 ExploitVDB Entry
https://www.vulncheck.com/advisories/iobit-advanced-systemcare-unquoted-service-path-privilege-escalation Third Party Advisory

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Related vulnerabilities

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

7.8CVE-2022-24139Iobit advanced system care exposure of resource to wrong sphere vulnerabilityIn IOBit Advanced System Care (AscService.exe) 15, an attacker with SEImpersonatePrivilege can create a named pipe with the same name as one of ASCSe…EPSS 0.37%6.6CVE-2022-24140Iobit advanced system care download of code without integrity check vulnerabilityIOBit Advanced System Care 15, iTop Screen Recorder 2.1, iTop VPN 3.2, Driver Booster 9, and iTop Screenshot sends HTTP requests in their update proc…EPSS 0.71%

Source: NIST National Vulnerability Database (record CVE-2016-20055), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.