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CVE-2026-107614: TightVNC 0 to before 2.8.88
CVE-2026-107614. CVSS 3.1 base score 6.1 (MEDIUM, Source advisory).
Affected technology
TightVNC · 0 to before 2.8.88
GlavSoft
Description’s affected range: before 2.8.88
Component: TightVNC Server (cursor shape processing)
Function: WinCursorShapeUtils::trimTransparent(), getCursorHeight()
File: WinCursorShapeUtils.cpp
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
A local authenticated user can crash the server, and potentially read out-of-bounds memory, by causing a cursor shape with a width or height of zero to be processed on the DXGI capture path. Source advisory’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality impact as low; integrity impact as none; availability impact as high.
- CWE
- CWE-125, CWE-191
- CCR priority
- 24.4 /100 (P4)
- CVSS 3.1
- 6.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H · Source advisory
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-08 18:27:24.781324+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-107614.html