CVE-2026-4962
Last modified
CVE-2026-4962 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Uvnc | Ultravnc | >= 1.6.0.0, <= 1.6.4.0 |
References
- https://drive.google.com/file/d/1QC-MrqGsfjr4phEN77krLFZHQN8S48U_/viewPermissions Required
- https://vuldb.com/?ctiid.353839Permissions Required, VDB Entry
- https://vuldb.com/?id.353839Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.777619Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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