P4Verified

CVE-2026-107611: TightVNC 0 to before 2.8.88

CVE-2026-107611. CVSS 3.1 base score 7.1 (HIGH, Source advisory).

Affected technology

TightVNC · 0 to before 2.8.88
GlavSoft

Description’s affected range: before 2.8.88

Component: TightVNC Viewer (ZRLE decoder)
Function: readPaletteRleTile(), readPackedPaletteTile()
File: ZrleDecoder.cpp

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality impact as low; integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-08 17:34:57.532659+00:00

CWE: CWE-125
CCR priority: 28.4 /100 (P4)
CVSS 3.1: 7.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-2026-107611.html