CVE-2026-34352

HIGH

8.5

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.

CVE Details

CVSS v3.1 Score8.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/26/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tigervnc:tigervnc

Weaknesses (CWE)

CWE-732

References

https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393(cve@mitre.org)

https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI(cve@mitre.org)

https://sourceforge.net/projects/tigervnc/files/stable/1.16.2(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/03/26/7(cve@mitre.org)

IOC Correlations

No correlations recorded

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