CVE-2026-34352
9.8
CRITICAL
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-34352
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/tigervnc—no fix listed
Is CVE-2026-34352 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |