CVE-2025-9201

Local privilege escalation via uncontrolled DLL search

Published Sep 11, 2025 · Updated Sep 11, 2025

DLL hijacking in Lenovo Browser before 9.0.6.8111 allows local users to execute code with elevated privileges through a crafted DLL. Lenovo has not disclosed which executable loads which DLL or the attacker-writable search location. Low-privileged local access is required; successful exploitation executes attacker code with the browser's elevated privileges.

CVSS severity8.5
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DLL hijacking in Lenovo Browser before 9.0.6.8111 allows local users to execute code with elevated privileges through a crafted DLL. Lenovo has not disclosed which executable loads which DLL or the attacker-writable search location. Low-privileged local access is required; successful exploitation executes attacker code with the browser's elevated privileges.

The record

CVE
CVE-2025-9201
Published
Sep 11, 2025
Updated
Sep 11, 2025
Vendor
Lenovo
Product
Lenovo Browser
Classifications
CWE-427, T1574.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 11, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <9.0.6.8111

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Lenovo · Lenovo Browserversion=0 <9.0.6.8111

Published CVSS scores

8.5Lenovo Group Ltd.CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8Lenovo Group Ltd.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-427Uncontrolled Search Path Element
T1574.001Hijack Execution Flow: DLL

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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