CVE-2026-4962
UltraVNC vulnerability analysis and mitigation

A security flaw has been discovered in UltraVNC up to 1.6.4.0. Affected by this issue is some unknown functionality in the library version.dll of the component Service. The manipulation results in uncontrolled search path. The attack needs to be approached locally. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.


SourceNVD

Related UltraVNC vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2009-0388HIGH10
  • TightVNCTightVNC
  • cpe:2.3:a:tightvnc:tightvnc
NoYesFeb 04, 2009
CVE-2008-5001HIGH9.3
  • UltraVNCUltraVNC
  • cpe:2.3:a:ultravnc:ultravnc
NoYesNov 10, 2008
CVE-2026-4962HIGH7.3
  • UltraVNCUltraVNC
  • cpe:2.3:a:ultravnc:ultravnc
NoNoMar 27, 2026
CVE-2026-3787HIGH7.3
  • UltraVNCUltraVNC
  • cpe:2.3:a:ultravnc:ultravnc
NoNoMar 08, 2026
CVE-2010-5248MEDIUM6.9
  • UltraVNCUltraVNC
  • cpe:2.3:a:ultravnc:ultravnc
NoYesSep 07, 2012

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management