CVE-2026-18994
CVE-2026-18994 — A potential improper authorization vulnerability was reported in the Lenovo File Manager Android Application, distributed exclusively in…
A potential improper authorization vulnerability was reported in the Lenovo File Manager Android Application, distributed exclusively in the Chinese market, that could allow a local authenticated user to read or modify protected files within the application.
Published Updated Sources: NVD, Lenovo (CNA), GitHub, GitHub Security Advisory, SOCRadar CTI
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Exploit code
public exploit, none observed
EPSS
0%
ahead of 0% of scored CVEs
CVSS base
7.1
high · 2 sources
Remediation
The vendor's own words where we have them.
Update Lenovo File Manager Android APP to Version 9.8.1.77 or later.
First 24 hours
Ordered from the record's own fields — exposure first, because you cannot patch what you have not found.
- Identify exposed assets running affected vendor/product/version combinations.
- Prioritize based on EPSS, PoC availability, and external exposure.
- Search available logs for exploit probes, errors, authentication anomalies, or suspicious child processes matching the vulnerability class.
Affected scope
Vendor, product and version as the advisories word them.
| Vendor | Product | Versions | Status |
|---|---|---|---|
| Lenovo | File Manager Application | 0 to < 9.8.1.77 | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
None
Confidentiality
High
Integrity
High
Scope
Unchanged
Attack Complexity
Low
Attack Vector
Local
Privileges Req
Low
User Interaction
None
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 7.1 | CVSS 3.1 | high | 1.8 | 5.2 | NVD, Lenovo (CNA), GHSA |
| 8.4 | CVSS 4.0 | high | — | — | Lenovo (CNA) |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
What this weakness leads to
MITRE's own consequences and mitigations for the weakness class — the authority's wording, not guidance derived from the CVSS vector.
CWE-926 · Improper Export of Android Application Components
- Unexpected State
- DoS: Crash, Exit, or Restart
- DoS: Instability
- Varies by Context
Mitigation: If they do not need to be shared by other applications, explicitly mark components with android:exported=false in the application manifest.
Weakness & attack patterns
- CWE-926
Inferred from the weakness class — not observed against this CVE.
Public exploit
Capability, not use: code existing is a different claim from anyone running it.
Repositories
1
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Monitor for scanner or exploit-pattern traffic after 1 public PoC repositories were reported.
Timeline
What happened to this CVE, newest first — with the readings a source repeats on a schedule counted underneath rather than listed.
- 2026
Added · CVSS 3.1 7.1 (AV:L)
Sep 10, 2026 · NVD
Initial · CVE published
Sep 10, 2026 · NVD
Added · GHSA-gcq5-gj48-4qv3 published (high)
Sep 10, 2026 · GitHub Security Advisory
CVE published by MITRE.
Sep 10, 2026 · SOCRadar CTI
References
3 on the record
- iknow.lenovo.com.cn/detail/442247
Vendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2026-18994
NVD
- github.com/advisories/GHSA-gcq5-gj48-4qv3
Exploit, Third Party Advisory
Elsewhere on this site
- Lenovoevery CVE for this vendor
- Access Controlsame class
- CWE-926other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record1
What should defenders know first?
CVE-2026-18994 is A potential improper authorization vulnerability was reported in the Lenovo File Manager Android Application, distributed exclusively in…, a high vulnerability affecting File Manager Application from Lenovo. The current evidence does not list it in CISA KEV, and the exploit status is: Active exploitation is not confirmed from current sources for CVE-2026-18994. Public exploit evidence is: 1 public PoC repositories reported; 0 marked weaponized in current dataset. The affected-version evidence is listed in the key facts and affected products tables. Defenders should first verify whether exposed or business-critical assets run those versions, then apply vendor patches or mitigations, restrict reachable attack surface, and preserve logs for detection review. CVSS 7.1 describes technical severity, while EPSS 0% helps estimate near-term exploit likelihood; neither replaces asset context. Unknown fields should remain explicit in tickets, and threat actor, IOC, victimology, or payload claims should not be added unless a cited source supports them. Monitor CISA KEV, vendor advisories, NVD changes, public PoC repositories, and internal telemetry for update triggers.