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CVE-2026-107613: TightVNC 0 to before 2.8.88
CVE-2026-107613. CVSS 3.1 base score 5.9 (MEDIUM, Source advisory).
Affected technology
TightVNC · 0 to before 2.8.88
GlavSoft
Description’s affected range: before 2.8.88
Component: TightVNC Server (Win8/DXGI screen driver)
Function: Win8ScreenDriver::applyNewScreenProperties(), Win8ScreenDriver::executeDetection(), Win8ScreenDriver::getScreenBuffer(), Win8ScreenDriver::grabFb(), Win8ScreenDriver::getScreenPropertiesChanged(), Win8ScreenDriver::getCursorPosition()
File: Win8ScreenDriver.cpp
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An attacker can crash the server, causing a denial of service. Source advisory’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-476
- CCR priority
- 23.6 /100 (P4)
- CVSS 3.1
- 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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-2026-107613.html