Untrusted search path in Symantec Norton Security
Priority LOW 39CWE-426Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-426.
Summary
Norton Security (Windows client) prior to 22.16.3 and SEP SBE (Windows client) prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22 & SEP-12.1.7484.7002, may be susceptible to a DLL Preloading vulnerability, which is a type of issue that can occur when an application looks to call a DLL for execution and an attacker provides a malicious DLL to use instead.
Why it matters now
EPSS 0.02381 83rd percentileScored 2026-11-07
Fix Fixed Norton Security (Symantec Corporation): 22.16.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Symantec | Norton Security | before 22.16.3 | 22.16.3 | Patch available | CNA |
| Symantec | Symantec Endpoint Protection Small Business Edition | Prior to Cloud Agent 3.00.31.2817; NIS-22.15.2.22; SEP-12.1.7484.7002 | — | No fix listed | CNA |
- Norton Security VendorSymantec Affected before 22.16.3 Fixed in 22.16.3 Patch available CNA
- Symantec Endpoint Protection Small Business Edition VendorSymantec Affected Prior to Cloud Agent 3.00.31.2817; NIS-22.15.2.22; SEP-12.1.7484.7002 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:symantec:endpoint_protection:nis-22.15.2.22:*:*:*:small_business:*:*:* | nis-22.15.2.22 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:endpoint_protection:sep-12.1.7484.7002:*:*:*:small_business:*:*:* | sep-12.1.7484.7002 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:endpoint_protection_cloud:*:*:*:*:*:*:*:* | before 22.16.3 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:endpoint_protection_cloud_agent:*:*:*:*:small_business:*:*:* | before 3.00.31.2817 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:norton_security:*:*:*:*:*:windows:*:* | before 22.16.3 | Vulnerable | Symantec |
- cpe:2.3:a:symantec:endpoint_protection:nis-22.15.2.22:*:*:*:small_business:*:*:* Versions nis-22.15.2.22 Vulnerable ·Symantec
- cpe:2.3:a:symantec:endpoint_protection:sep-12.1.7484.7002:*:*:*:small_business:*:*:* Versions sep-12.1.7484.7002 Vulnerable ·Symantec
- cpe:2.3:a:symantec:endpoint_protection_cloud:*:*:*:*:*:*:*:* Versions before 22.16.3 Vulnerable ·Symantec
- cpe:2.3:a:symantec:endpoint_protection_cloud_agent:*:*:*:*:small_business:*:*:* Versions before 3.00.31.2817 Vulnerable ·Symantec
- cpe:2.3:a:symantec:norton_security:*:*:*:*:*:windows:*:* Versions before 22.16.3 Vulnerable ·Symantec
Remediation
- Fix · CNA Norton Security (Symantec Corporation) Fixed in 22.16.3
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18369
- 2026-10-03 Alias added: GHSA-cqr9-3mc7-gvpr
References
More Symantec Endpoint Protection vulnerabilities
- TI-2009-01353 The Intel LANDesk Common Base Agent (CBA) in Symantec Alert Management System 2 (AMS2)… CVSS 2.0HIGH 10.0
- TI-2009-01354 Multiple stack-based buffer overflows in IAO.EXE in the Intel Alert Originator Service in… CVSS 2.0HIGH 9.3
- TI-2016-02020 The AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec… CVSS 3.0HIGH 7.8
- TI-2012-01284 The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus… CVSS 2.0MEDIUM 4.3
- TI-2012-01283 The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus… CVSS 2.0MEDIUM 4.3
- TI-2012-01281 The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2018-18369 · CVE Program
- CVE-2018-18369 · NVD
- FIRST EPSS
- GHSA-cqr9-3mc7-gvpr · GitHub Advisory Database · CC BY 4.0
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