CVE-2026-34352

HIGH

TigerVNC <1.16.2 - Privilege Escalation

Title source: llm
STIX 2.1

Description

In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.

Scores

CVSS v3 8.5
EPSS 0.0003
EPSS Percentile 8.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-732
Status published
Products (2)
TigerVNC/TigerVNC < 1.16.2
tigervnc/tigervnc < 1.16.2
Published Mar 26, 2026
Tracked Since Mar 27, 2026