How many CVEs does TeamViewer have?

TeamViewer has 51 published CVE records since 2010, including 29 in the last two years.

How many TeamViewer CVEs are in CISA KEV?

Yes — 1 of TeamViewer's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Which TeamViewer products have the most CVEs?

The TeamViewer products with the most published CVEs are digital employee experience, DEX, TeamViewer, Remote Full Client, Host.

What are the most common weakness types in TeamViewer CVEs?

TeamViewer's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-125 (Out-of-bounds Read), CWE-347 (Improper Verification of Cryptographic Signature), CWE-732 (Incorrect Permission Assignment for Critical Resource).

Are there public exploits for TeamViewer vulnerabilities?

Yes — 5 of TeamViewer's CVEs have a known public exploit.

How many critical TeamViewer vulnerabilities are there?

TeamViewer has 2 critical and 28 high-severity CVEs.

What is the average severity of TeamViewer CVEs?

The average CVSS base score across TeamViewer's scored CVEs is 7.2.

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51 CVEs

1 in CISA KEV

TeamViewer Vulnerabilities

Name: TeamViewer vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for TeamViewer.

51

Total CVEs

Published

1

In CISA KEV

Exploited in the wild

5

Public exploits

PoC or exploit code

7.2

Avg CVSS

2010–2026

Overview

TeamViewer has 51 published CVE records since 2010, of which 1 are in CISA's Known Exploited Vulnerabilities catalog and 5 have a known public exploit. The average CVSS base score across scored CVEs is 7.2.

This page aggregates every publicly disclosed vulnerability (CVE) affecting TeamViewer products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on TeamViewer's vulnerability posture, as a share of its 51 published CVEs.

Average CVSS: 7.2
Critical / high: 59%
Actively exploited (KEV): 2%
Public exploit available: 10%
Patch available: 84%

Severity and exploitation

How the CVSS severity of TeamViewer's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical2

High28

Medium20

Low1

In CISA’s Known Exploited Vulnerabilities catalog

1

One of TeamViewer's CVEs is confirmed exploited in the wild.

Public exploits

5

5 of TeamViewer's CVEs have a known public exploit available.

Most affected products

The TeamViewer products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in TeamViewer CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish TeamViewer CVE records.

Disclosure activity by year

How many TeamViewer CVEs were published each year.

2019

4

2020

2

2021

2

2022

3

2023

1

2024

7

2025

17

2026

12

Latest TeamViewer CVEs

The most recently disclosed vulnerabilities affecting TeamViewer.

Broken Access Control in TeamViewer DEX Platform (On Premises)
CWE-862
Medium · CVSS 5.4
EPSS 0.1%2026-05-22
Lack of Server-side validation in Instruction Input in TeamViewer DEX Platform (On-Premises)
CWE-20
Medium · CVSS 6.3
EPSS 0.2%2026-05-13
Improper Access Control in TeamViewer clients
CWE-863
High · CVSS 7.2
EPSS 0.3%2026-02-05
Log timestamp tampering vulnerability in Content Distribution Service
CWE-20
Medium · CVSS 6.5
EPSS 0.7%2026-01-29
Out-of-bounds read vulnerability in Content Distribution Service
CWE-125
High · CVSS 7.5
EPSS 0.3%2026-01-29
Out-of-bounds read vulnerability in Content Distribution Service
CWE-125
High · CVSS 8.1
EPSS 0.2%2026-01-29
Integer underflow in Content Distribution Service UDP handler
CWE-122
Medium · CVSS 6.5
EPSS 0.3%2026-01-29
Log Injection in Content Distribution Service UDP Handler
CWE-20
Medium · CVSS 6.5
EPSS 0.2%2026-01-29
Denial-of-Service in Content Distribution Service
CWE-476
Medium · CVSS 6.5
EPSS 0.2%2026-01-29
Transmission of Unencrypted Data in Content Distribution Service
CWE-319
Medium · CVSS 6.5
EPSS 0.1%2026-01-29
Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX
CWE-20
Medium · CVSS 6.8
EPSS 0.7%2026-01-29
Privilege escalation in TeamViewer DEX via DeleteFileByPath instruction
CWE-59
High · CVSS 7.1
EPSS 0.2%2026-01-29

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Frequently asked questions

Common questions about TeamViewer vulnerabilities.

How many CVEs does TeamViewer have?: TeamViewer has 51 published CVE records since 2010, including 29 in the last two years.
How many TeamViewer CVEs are in CISA KEV?: Yes — 1 of TeamViewer's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Which TeamViewer products have the most CVEs?: The TeamViewer products with the most published CVEs are digital employee experience, DEX, TeamViewer, Remote Full Client, Host.
What are the most common weakness types in TeamViewer CVEs?: TeamViewer's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-125 (Out-of-bounds Read), CWE-347 (Improper Verification of Cryptographic Signature), CWE-732 (Incorrect Permission Assignment for Critical Resource).
Are there public exploits for TeamViewer vulnerabilities?: Yes — 5 of TeamViewer's CVEs have a known public exploit.
How many critical TeamViewer vulnerabilities are there?: TeamViewer has 2 critical and 28 high-severity CVEs.
What is the average severity of TeamViewer CVEs?: The average CVSS base score across TeamViewer's scored CVEs is 7.2.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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