High severity · published Apr 4, 2026
CVE-2016-20055
IObit Advanced SystemCare 10.0.2 Unquoted Service Path Privilege Escalation
7.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IA
IObit Advanced SystemCare · Iobit
10.0.2 · source: vendor
AS
Advanced System Care · Iobit
through 10.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-20055
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-20055
Product
http://www.iobit.com/en/advancedsystemcarefree.php#
Product
http://www.iobit.com/en/index.php
Exploit
https://www.exploit-db.com/exploits/40577
Third Party Advisory
https://www.vulncheck.com/advisories/iobit-advanced-systemcare-unquoted-service-path-privilege-escalation