# CVE-2025-36537 — TeamViewer Full Client

> As of 2025-06-24, CVE-2025-36537 is a HIGH-severity vulnerability in TeamViewer Full Client, CVSS v3.1 7, EPSS 0.1% (6.0th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-36537, most recently “The Remote Access Blind Spot: Acronis TRU Analysis of RMM Tool Proliferation and Abuse Risk in SMB Environments”.

**Last updated:** 2025-06-24

## What is CVE-2025-36537?

Incorrect Permission Assignment for Critical Resource in the TeamViewer Client (Full and Host) of TeamViewer Remote and Tensor prior Version 15.67 on Windows allows a local unprivileged user to trigger arbitrary file deletion with SYSTEM privileges via leveraging the MSI rollback mechanism. The vulnerability only applies to the Remote Management features: Backup, Monitoring, and Patch Management.

The record classifies CVE-2025-36537 under weakness class [CWE-732](https://intel.threadlinqs.com/cwe/CWE-732). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 4 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 492 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7 — HIGH (`CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 6.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-06-24

## Is CVE-2025-36537 being exploited?

It currently carries a trending score of 7 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [TeamViewer](https://intel.threadlinqs.com/vendors/teamviewer): Full Client, Host, Full Client (Win7/8), Host (Win7/8)

## How to fix CVE-2025-36537

No vendor patch reference has been recorded for CVE-2025-36537 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2025-36537

1 tracked threat in the Threadlinqs corpus references CVE-2025-36537, either in the campaign’s CVE list or as an indicator on the campaign record.

- [The Remote Access Blind Spot: Acronis TRU Analysis of RMM Tool Proliferation and Abuse Risk in SMB Environments](https://intel.threadlinqs.com/threat/TL-2026-2115) — MEDIUM · 2026-05-13

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [teamviewer.com](https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1002/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-36537
Full detection coverage and IOCs for threats exploiting CVE-2025-36537 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp