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Fencer Vulns
low 3.4

CVE-2026-82671 json

IObit Unlocker IRP_MJ_DEVICE_CONTROL IObitUnlocker.sys ZwTerminateProcess privileges management

published 2026-08-31 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-68456

cvss
3.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

A vulnerability has been found in IObit Unlocker 1.3.0.12. This vulnerability affects the function ZwTerminateProcess in the library IObitUnlocker.sys of the component IRP_MJ_DEVICE_CONTROL Handler. The manipulation leads to improper privilege management. An attack has to be approached locally. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 4.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CNA 3.1 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:R
CNA 3.0 3.4 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:R
CNA 2.0 2.9 AV:L/AC:L/Au:M/C:N/I:P/A:P/E:ND/RL:ND/RC:UR
CNA 4.0 4.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
CNA 3.1 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
CNA 2.0 2.9 AV:L/AC:L/Au:M/C:N/I:P/A:P

Affected products

  • IObit Unlocker

Classification

Weakness
  • CWE-269 Improper Privilege Management
  • CWE-266 Incorrect Privilege Assignment

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.