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Glavsoft Tightvnc Server: vulnerabilities and CVEs

Glavsoft Tightvnc Server has 4 published vulnerabilities, 4 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.

CVEs4
Last 12 months4
Critical0
Actively exploited0

All vulnerabilities in the catalogue →⭐ Follow this technology

Latest vulnerabilities

CVESeverityEPSSActive exploitationPublishedDescription
CVE-2026-107615High (7.8)0.14%—Oct 8, 2026
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…
CVE-2026-107614Medium (6.1)0.10%—Oct 8, 2026
An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to crash the server, and potentially read out-of-bounds memory, by…
CVE-2026-107613Medium (5.9)0.31%—Oct 8, 2026
A NULL pointer dereference vulnerability in the Win8ScreenDriver component of GlavSoft TightVNC Server for Windows before 2.8.88 allows an attacker to crash the server, causing a denial of service. When…
CVE-2026-107612High (7.8)0.10%—Oct 8, 2026
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…

🎯 How it gets exploited (ATT&CK techniques)

  1. T1068 Exploitation for Privilege Escalation3
  2. T1005 Data from Local System1
  3. T1190 Exploit Public-Facing Application1
  4. T1222 File and Directory Permissions Modification1
  5. T1499.004 Application or System Exploitation1
  6. T1574.007 Path Interception by PATH Environment Variable1

Number of CVEs of this technology mapped to each exploitation or primary-impact technique.

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