CVE-2026-16444

highpriority · track · 0EPSS 0.004 · 35 %ileDERU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.41% (35th) EPSS

CVSS 7.5 · high

Is it mine?

32 products

Check your exposure

Who says so?

2 sources

fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Improper neutralization of path traversal sequences in TeamViewer Desktop Clients prior Version 15.81.5 allows an authenticated remote session participant to write files to unintended locations on the local file system via file transfer or virtual file clipboard mechanisms. An attacker can leverage this behavior to achieve arbitrary file write and potentially execute code with the privileges of the affected user.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · psirt@teamviewer.comexploitability 1.6 · impact 5.9

v3.17.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-73USCWE-73US

affected products (32)

Products and version ranges known to be affected.

TeamViewer TeamViewer Full Client <15.81.5all versionscert_bundDE
TeamViewer TeamViewer Host <15.81.5all versionscert_bundDE
TeamViewer TeamViewer Legacy Versionsall versionscert_bundDE
TeamViewer TeamViewer QuickSupport <15.81.5all versionscert_bundDE
TeamViewer TeamViewer≤ QuickSupport <15.81.5cert_bundDE
TeamViewer TeamViewer≤ Full Client <15.81.5cert_bundDE
TeamViewer TeamViewer≤ Host <15.81.5cert_bundDE
TeamViewer TeamViewer≤ Legacy Versionscert_bundDE
TeamViewer GmbH TeamViewer Full Client≤ 15.81.5fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 14.7.48839fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 13.2.36229fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 13.2.153978fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 13.2.153981fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 14.7.48838fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 14.7.48833fstec_bduRU
TeamViewer GmbH TeamViewer Full Client≤ 15.64.7fstec_bduRU
TeamViewer GmbH TeamViewer Host≤ 15.81.5fstec_bduRU
TeamViewer GmbH TeamViewer Host≤ 13.2.153981fstec_bduRU
TeamViewer GmbH TeamViewer Host≤ 13.2.153978fstec_bduRU
TeamViewer GmbH TeamViewer Host≤ 13.2.36229fstec_bduRU

showing 20 of 32

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3045TeamViewer Clients: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem ProgrammcodeDeutsch2026-08-26csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in TeamViewer ausnutzen, um beliebigen Programmcode mit Benutzerrechten auszuführen.

also known as (1)

Other names and identifiers for this entity.

BDU:2026-16014 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu cert_bund NVD CVE.org MITRE

published 2026-08-26modified 2026-10-07

references (1) nvd

External citations — patches, advisories, analysis.

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

scry

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