CVE-2026-63426
CVE-2026-63426 — During an internal security assessment, a potential vulnerability was discovered in Lenovo Dock Manager that could allow an authenticated…
During an internal security assessment, a potential vulnerability was discovered in Lenovo Dock Manager that could allow an authenticated local user to perform an arbitrary file deletion with elevated privileges.
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
Unreported
no source claims exploitation
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 Dock Manager to version 1.6.5.3 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 | Dock Manager | 0 to < 1.6.5.3 | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
High
Confidentiality
None
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 | lenovo.com (CNA), Lenovo (CNA), GHSA |
| 6.9 | CVSS 4.0 | medium | — | — | Lenovo (CNA) |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
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-59 · Improper Link Resolution Before File Access ('Link Following')
- Read Files or Directories
- Modify Files or Directories
- Bypass Protection Mechanism
- Execute Unauthorized Code or Commands
Mitigation: Follow the principle of least privilege when assigning access rights to entities in a software system. Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.::
Weakness & attack patterns
- CWE-59
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1547.009Boot or Logon Autostart Execution: Shortcut Modification
- T1574.005Hijack Execution Flow: Executable Installer File Permissions Weakness
- T1574.010Hijack Execution Flow: Services File Permissions Weakness
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
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)
Aug 13, 2026 · NVD
Initial · CVE published
Aug 13, 2026 · NVD
Added · GHSA-2mcq-jg3f-chqr published (medium)
Aug 13, 2026 · GitHub Security Advisory
References
4 on the record
- support.lenovo.com/us/en/product_security/LEN-223470
Vendor Advisory
- support.lenovo.com/us/en/solutions/ht037099#dm
Vendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2026-63426
NVD
- github.com/advisories/GHSA-2mcq-jg3f-chqr
Exploit, Third Party Advisory
Elsewhere on this site
- Lenovoevery CVE for this vendor
- Remote Code Execsame class
- CWE-59other 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-2026-63426 is During an internal security assessment, a potential vulnerability was discovered in Lenovo Dock Manager that could allow an authenticated…, a high vulnerability affecting Dock Manager 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-2026-63426. Public exploit evidence is: A public PoC is not confirmed from current sources for CVE-2026-63426. 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.