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OpenAdvisories

Vendor

GlavSoft

6 known vulnerabilities.

Products

TightVNC 5 TightVNC Viewer 1
All Critical High Medium Low Exploited only Public exploit

3 results · Clear filters · Feed

  • High 7.8
    CVE-2026-107615

    DLL search order hijacking via screenhooks libraries in TightVNC Server

    An uncontrolled search path element vulnerability in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to execute arbitrary code with SYSTEM privileges. DynamicLibrary::init() (and ThemeLib) load screenhooks32.dll / screenho…

    GlavSoft TightVNC
  • High 7.8
    CVE-2026-107612

    World-accessible IPC shared memory with predictable name in TightVNC Server

    Incorrect permission assignment in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to read or overwrite the inter-process communication handles used between the TightVNC service and its desktop server process. The named sh…

    GlavSoft TightVNC
  • High 7.1
    CVE-2026-107611

    Out-of-bounds read in TightVNC Viewer ZRLE palette decoding

    An out-of-bounds read vulnerability in the ZRLE decoder of GlavSoft TightVNC Viewer for Windows before 2.8.88 allows a malicious or compromised VNC server to read heap memory beyond the palette allocation and crash the viewer by sending ZRLE-encoded tiles who…

    GlavSoft TightVNC