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CVE-2025-26860VulnerabilityPublished

CVE-2025-26860: RSUPPORT RemoteCall Remote Support Program (for Operator) · Uncontrolled Search Path Element

Affects RSUPPORT RemoteCall Remote Support Program (for Operator)Source CVE Database V5

0

Not known to be exploited · CVSS 7.8 High : upgrade to 5.1.0 soon.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.0 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.1.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Oct 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

Upgrade RSUPPORT RemoteCall Remote Support Program (for Operator) to 5.1.0.

Affected software

ProductAffectedFixed in
RSUPPORT CO., LTD. RemoteCall Remote Support Program (for Operator)Affected
  • <5.1.0
Fixed in
  • 5.1.0

AI-suggested

To mitigate CVE-2025-26860, European organizations should prioritize upgrading the RemoteCall Remote Support Program to version 5.1.0 or later, where the vulnerability is addressed. Until the upgrade is applied, organizations should restrict write permissions on directories containing the RemoteCall executable to prevent unauthorized DLL placement. Implement application whitelisting and integrity monitoring to detect unauthorized changes in application folders. Educate users and administrators about the risks of executing unknown files or accepting unexpected prompts during remote support sessions. Employ endpoint protection solutions capable of detecting DLL hijacking attempts. Network segmentation and strict access controls can limit local access to systems running the vulnerable software. Regularly audit and monitor logs for suspicious activity related to RemoteCall processes. If possible, disable or limit the use of RemoteCall on systems where it is not essential. Finally, maintain an incident response plan to quickly address any exploitation attempts.

Description

RemoteCall Remote Support Program (for Operator) versions prior to 5.1.0 contain an uncontrolled search path element vulnerability. If a crafted DLL is placed in the same folder with the affected product, it may cause an arbitrary code execution.

References

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