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CVE-2026-34352

CVSS 8.5 · High EPSS 0.03% · P9
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I. Basic Information for CVE-2026-34352

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键资源的不正确权限授予
Source: NVD (National Vulnerability Database)
Vulnerability Title
TigerVNC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TigerVNC是TigerVNC开源的一款VNC（虚拟网络控制台）服务器和客户端软件。 TigerVNC 1.16.2之前版本存在安全漏洞，该漏洞源于x0vncserver中Image.cxx权限不正确，可能导致其他用户观察或操纵屏幕内容，或导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
TigerVNCTigerVNC 0 ~ 1.16.2 -

II. Public POCs for CVE-2026-34352

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 13440 chars
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III. Intelligence Information for CVE-2026-34352

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IV. Related Vulnerabilities

Same product: TigerVNC
Same vendor: TigerVNC
Same weakness: CWE-732

V. Comments for CVE-2026-34352

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