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CVE-2026-92377

Local Privilege Escalation via DLL Sideloading in TeamViewer Patch Management for Windows

High7.8EPSS 0.11%
Published
Updated
Reserved
Assigned by
TV

Description

Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Windows prior to version 15.82 allows a local authenticated attacker with low privileges to supply a signed executable through a forged IPC response and cause it to load a malicious DLL from a user-writable temporary directory. Successful exploitation results in arbitrary code execution with NT AUTHORITY\SYSTEM privileges.

Timeline

  1. ID reserved

    By TV

  2. · 41 days later

    Published

  3. · 8 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-92377, by who scored it
Scored byCVSSScoreVector
TVCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Awaiting Analysis3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.11% · top 99% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • TeamViewer · Full Client

    • affected < 15.82
    • affected 15.64.0 (Legacy Windows 7 & 8) – < 15.64.10 (Legacy Windows 7 & 8)
    • affected 14.7.0 – < 14.7.48868
    • affected 13.2.0 – < 13.2.36231

  • TeamViewer · Host

    • affected < 15.82
    • affected 15.64.0 (Legacy Windows 7 & 8) – < 15.64.10 (Legacy Windows 7 & 8)
    • affected 14.7.0 – < 14.7.48868
    • affected 13.2.0 – < 13.2.36231

What to do

Solution: Update to the latest available version.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .