# CVE-2026-2640: Lenovo PC Manager privilege escalation via process termination

Source: https://junglewise.ai/threats/cve-2026-2640-lenovo-pc-manager-privilege-escalation-via-process-termination  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-11. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-2640 · Severity: medium · CVSS 5.5 · Published 2026-03-11

Lenovo PC Manager is a system maintenance utility installed on many Lenovo computers. A vulnerability allows an authenticated local user to terminate privileged system processes, potentially disrupting critical operations or enabling further system compromise. This could affect business continuity and system stability on affected Lenovo PCs.

Technologies: [Lenovo Pcmanager](https://junglewise.ai/threats/technologies/pcmanager). Vendors: [Lenovo](https://junglewise.ai/threats/vendors/lenovo).

## Quick answers

**Is CVE-2026-2640 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-2640 being exploited in the wild.

**How severe is CVE-2026-2640?** Medium severity, with a CVSS score of 5.5, published 11 March 2026.

**Which products and versions are affected?** Lenovo PC Manager.

**Is there a fix for CVE-2026-2640?** 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-2026-2640 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-2640?** Check whether you run Lenovo Pcmanager. 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 is a privilege escalation issue in Lenovo PC Manager that permits a local authenticated user to terminate high-privileged processes. The attack vector is local and requires prior authentication/access to the affected system. An attacker can abuse this capability to kill critical system processes, causing denial of service or creating conditions for further exploitation. The vulnerability was discovered during an internal security assessment and has not been observed in active exploitation in the wild as of the publication date.

## Affected products

- Lenovo PC Manager

## Timeline

- 2026-03-11: disclosed

## References

- [https://iknow.lenovo.com.cn/detail/438816](https://iknow.lenovo.com.cn/detail/438816)

## Related threats

- [A potential vulnerability was reported in PC Manager that could allow a local authenticated user to execute code with elevated privileges.](https://junglewise.ai/threats/cve-2025-8486-a-potential-vulnerability-was-reported-in-pc-manager-that-could)
- [A potential DLL hijacking vulnerability was discovered in the Lenovo PC Manager during an internal security assessment…](https://junglewise.ai/threats/cve-2025-10581-a-potential-dll-hijacking-vulnerability-was-discovered-in-the)