CVE-2017-13674
Published Sep 1, 2017 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Symantec ProxyClient 3.4 for Windows is susceptible to a privilege escalation vulnerability. A malicious local Windows user can, under certain circumstances, exploit this vulnerability to escalate their privileges on the system and execute arbitrary code with LocalSystem privileges.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Symantec ProxyClient 3.4 for Windows is susceptible to a privilege escalation vulnerability. A malicious local Windows user can, under certain circumstances, exploit this vulnerability to escalate their privileges on the system and execute arbitrary code with LocalSystem privileges.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Sep 1, 2017 · Last refreshed Oct 23, 2026