CVE-2026-107611

Published 8 October 2026 · tracked since 9 October 2026

Description

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 whose palette indices exceed the declared pa

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-14990 CRITICAL 9.3
• CVE-2026-107613 MEDIUM 5.9
• CVE-2026-107614 MEDIUM 6.1
• CVE-2026-107615 HIGH 7.8
• CVE-2026-107612 HIGH 7.8
• CVE-2026-103663
• CVE-2026-62127 MEDIUM 6.5
• CVE-2026-44033 MEDIUM 5.5
• CVE-2026-44036 MEDIUM 5.5
• CVE-2026-44037 MEDIUM 5.5

→ Open the live CVE board · all tools