CVE-2026-4962
UltraVNC Service version.dll uncontrolled search path
MEDIUM 6.4EPSS 0.2%
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.
- Affected
- UltraVNC
- CVSS v4.0 VULDB
- 6.4 MEDIUM
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 - CVSS v3.1 VULDB
- 7.0 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 VULDB
- 6.0 MEDIUM
AV:L/AC:H/Au:S/C:C/I:C/A:C - EPSS
- 0.19% chance of exploitation in the next 30 days, 8th percentile
- Published
- 2026-03-27