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CVE-2025-10198VulnerabilityPublished Updated

CVE-2025-10198: LizardByte Sunshine for Windows · Uncontrolled Search Path Element

Affects LizardByte Sunshine for WindowsSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
LizardByte Sunshine for WindowsAffected
  • =2025.122.141614
Fixed in–

AI-suggested

1. Immediately audit and remove any user-writable directories from the system PATH environment variable to prevent malicious DLL placement. 2. Restrict write permissions on directories included in the PATH to trusted administrators only. 3. Implement application whitelisting and DLL integrity verification to detect and block unauthorized DLLs. 4. Monitor file system changes in PATH directories for suspicious activity using endpoint detection and response (EDR) tools. 5. Educate users about the risks of executing untrusted applications and the importance of avoiding unnecessary user interaction that could trigger exploitation. 6. Isolate systems running Sunshine for Windows in segmented network zones to limit lateral movement if compromised. 7. Engage with LizardByte for patches or updates addressing this vulnerability and plan prompt deployment once available. 8. Employ least privilege principles to minimize the impact of potential exploitation. 9. Regularly review and update security policies regarding environment variable management and software installation practices.

Description

Sunshine for Windows, version v2025.122.141614, contains a DLL search-order hijacking vulnerability, allowing attackers to insert a malicious DLL in user-writeable PATH directories.

References

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