What is CVE-2026-111583?

CVE-2026-111583 is a high-severity vulnerability in Teamviewer Full Client, classified under Improper Privilege Management. CVSS score: 7.3/10. Published 2026-10-27.

How severe is CVE-2026-111583?

High severity. CVSS v3 base score is 7.3 out of 10.

Privilege escalation in Teamviewer Full Client

CVE-2026-111583

Improper access control in the installer staging directory used by TeamViewer Full Client and Host prior to version 15.82 for Windows during installation of Advanced Asset Management allows a local authenticated user with low privileges to execute arbitrary commands as SYSTEM. An attacker can place a crafted installer options file that is processed by the Advanced Asset Management installer during service activation.

Vulnerability class: Privilege Escalation

Published 2026-10-27.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012/ (vendor-advisory)

Frequently asked questions

What is CVE-2026-111583?: CVE-2026-111583 is a high-severity vulnerability in Teamviewer Full Client, classified under Improper Privilege Management. CVSS score: 7.3/10. Published 2026-10-27.
How severe is CVE-2026-111583?: High severity. CVSS v3 base score is 7.3 out of 10.