CVE-2026-82671 | BDVDB-2026-366648 Detail

IObitUnlocker

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact low. Attack vector: local.

Weaknesses#

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

References#

Exploit#

No public exploit known

History#

Version 12026-08-31Record published in the CVE List.

Published

Published: 2026-08-31
Last modified: 2026-08-31

Vendor information

Vendor: IObit
Product: Unlocker

All IObit vulnerabilities

Score

3.4 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 5.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Privilege Escalation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.3.0.12
Fixed
Not stated

Scoring System

CVSS v4.0

4.6 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

3.4 Low

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	Low

CVSS v3.0

3.4 Low

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	Low

CVSS v2

2.9 Low

AV:L/AC:L/Au:M/C:N/I:P/A:P/E:ND/RL:ND/RC:UR

Metric breakdown
Access Vector	Local
Access Complexity	Low
Authentication	Multiple
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	Partial

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).