# CVE-2026-82670: IObit Uninstaller privilege escalation in IOCTL handler

Source: https://junglewise.ai/threats/cve-2026-82670-iobit-uninstaller-privilege-escalation-in-ioctl-handler  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-31. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-82670 · Severity: medium · CVSS 4.4 · Published 2026-08-31

IObit Uninstaller is a popular Windows utility for removing software and system files. A vulnerability in its device driver (IUForceDelete.sys) allows a local attacker to manipulate system calls and execute operations with elevated privileges, potentially gaining administrative control of the system.

Technologies: [IObit Uninstaller](https://junglewise.ai/threats/technologies/uninstaller). Vendors: [IObit](https://junglewise.ai/threats/vendors/iobit).

## Quick answers

**Is CVE-2026-82670 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-82670 being exploited in the wild.

**How severe is CVE-2026-82670?** Medium severity, with a CVSS score of 4.4, published 31 August 2026.

**Which products and versions are affected?** IObit Uninstaller 15.5.0.11.

**Is there a fix for CVE-2026-82670?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-82670 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-82670?** Check whether you run IObit Uninstaller at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists in the IRP_MJ_DEVICE_CONTROL handler of the IUForceDelete.sys driver, which improperly manages privilege validation when processing IOCTL requests. An attacker with local system access can craft malicious IOCTL commands to bypass privilege checks and execute arbitrary operations with elevated permissions. The attack requires local access and does not involve remote network exploitation. The vendor was contacted prior to disclosure but did not provide a response or patch.

## Affected products

- IObit Uninstaller 15.5.0.11

## Timeline

- 2026-08-31: disclosed

## References

- [https://vuldb.com/cve/CVE-2026-82670](https://vuldb.com/cve/CVE-2026-82670)
- [https://vuldb.com/submit/893875](https://vuldb.com/submit/893875)

## Related threats

- [IOBit Uninstaller null pointer dereference in IOCTL handler](https://junglewise.ai/threats/cve-2026-90485-iobit-uninstaller-null-pointer-dereference-in-ioctl-handler)
- [IObit Uninstaller unquoted service path in IObitUnSvr](https://junglewise.ai/threats/cve-2020-37223-iobit-uninstaller-unquoted-service-path-in-iobitunsvr)