Local Privilege Escalation Vulnerability in Razer Synapse 3 by Razer
CVE-2025-9871

7.8HIGH

Key Information:

Vendor

Razer

Status
Synapse 3
Vendor
CVE Published:
29 October 2025

What is CVE-2025-9871?

A local privilege escalation vulnerability exists in Razer Synapse 3 due to improper handling of symbolic links within the Razer Chroma SDK installer. An attacker with the ability to execute low-privileged code on the target system can exploit this flaw to escalate privileges. By creating a specially crafted symbolic link, the attacker can manipulate the installer to delete arbitrary files, allowing for arbitrary code execution in the context of SYSTEM.

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Affected Version(s)

Synapse 3 3.10.228.21112

References

https://www.zerodayinitiative.com/advisories/ZDI-25-920/
x_research-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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