CVE-2026-34352 HIGH

CVE-2026-34352

Vendor Tigervnc

Product TigerVNC

Weakness CWE-732

Published March 26, 2026

Last update June 4, 2026

View on NVD All CVEs

CVSS base score

8.5/10

Attack vector Local

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 26, 2026 CVE published

June 4, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-34352 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/732.html

Related vulnerabilities

CVE-2026-34352

01Description

02Disclosure timeline

03References

04Related CVE