Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Uvnc | Ultravnc | >= 1.6.0.0, <= 1.6.4.0 |
Related Weaknesses (CWE)
References
- https://drive.google.com/file/d/1QC-MrqGsfjr4phEN77krLFZHQN8S48U_/viewPermissions Required
- https://vuldb.com/?ctiid.353839Permissions RequiredVDB Entry
- https://vuldb.com/?id.353839Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.777619Third Party AdvisoryExploitVDB Entry
FAQ
What is CVE-2026-4962?
CVE-2026-4962 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 unc...
How severe is CVE-2026-4962?
CVE-2026-4962 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4962?
Check the references section above for vendor advisories and patch information. Affected products include: Uvnc Ultravnc.