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01 RecordSTATE: —

02 Description

SRC: CNA

03 Metadata

SCHEMA: CVE JSON 5

04 Affected products

PAIRS: —

05 References

REFS: —

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SRC: CVELISTV5 / SYNC: T-5M / LAG: 19M / REC: 383,079 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2026-16444

Improper Validation of File Paths in TeamViewer Desktop Clients

HighPUBLISHEDCNA: TV

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

CNA: TV

Improper Validation of File Paths in TeamViewer Desktop Clients

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: Not scored by EPSS
EPSS percentile: Not scored by EPSS
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Not recorded
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

SCHEMA: 5.2

Published

2026-08-26 09:10Z52 MIN AGO

Last updated

2026-08-26 09:10Z52 MIN AGO

Reserved

2026-07-21

Assigning CNA

TV

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-73External Control of File Name or PathBase

Data version

5.2

Document digest

36b4293e64e3e00579302f874b793b739b4fce1e81b70a6ec476416f6bfcabb0

05 Affected products

PAIRS: 8

VendorProductVersionsPlatforms

TeamViewerFull Client, Host, QuickSupport & Portable15.0 to < 15.81.5Windows, MacOS, Linux

TeamViewerFull Client, Host, QuickSupport & Portable (for Windows 7 & 8)15.64.0 to < 15.64.7Windows

TeamViewerFull Client, Host, QuickSupport (v14 for Windows)14.0 to < 14.7.48833Windows

TeamViewerFull Client, Host, QuickSupport (v14 for Linux)14.0 to < 14.7.48838Linux

TeamViewerFull Client, Host, QuickSupport (v14 for macOS)14.0 to < 14.7.48838MacOS

TeamViewerFull Client, Host, QuickSupport & Portable (v13 for Windows)13.0 to < 13.2.36229Windows

TeamViewerFull Client, Host, QuickSupport (v13 for Linux)13.0 to < 13.2.153978Linux

TeamViewerFull Client, Host, QuickSupport (v13 for macOS)13.0 to < 13.2.153981MacOS

06 References

REFS: 1

www.teamviewer.comhttps://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-1008/

07 Remediation

SRC: CNA

Update to the last available client version.