CVE-2026-4135 | Lenovo Software Fix prior 7.5.5.19 link following

VDB-357721 · CVE-2026-4135 · GCVE-0-2026-4135 LENOVO SOFTWARE FIX PRIOR 7.5.5.19 LINK FOLLOWING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.1 $0-$5k 2.40+ Summaryinfo A vulnerability was found in Lenovo Software Fix. It has been rated as critical. Affected by this issue is some unknown functionality. This manipulation causes link following. This vulnerability is handled as CVE-2026-4135. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised. Detailsinfo A vulnerability was found in Lenovo Software Fix. It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix, that during installation could allow a local authenticated user to perform an arbitrary file write with elevated privileges. The advisory is shared at support.lenovo.com. This vulnerability is known as CVE-2026-4135 since 03/13/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. Upgrading to version 7.5.5.19 eliminates this vulnerability. Productinfo Vendor Lenovo Name Software Fix License commercial Website Vendor: https://www.lenovo.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 7.2 VulDB Meta Temp Score: 7.1 VulDB Base Score: 7.8 VulDB Temp Score: 7.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.6 CNA Vector (lenovo): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Link following CWE: CWE-59 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Software Fix 7.5.5.19 Timelineinfo 03/13/2026 CVE reserved 04/15/2026 +32 days Advisory disclosed 04/15/2026 +0 days VulDB entry created 04/15/2026 +0 days VulDB entry last update Sourcesinfo Vendor: lenovo.com Advisory: support.lenovo.com Status: Confirmed CVE: CVE-2026-4135 (🔒) GCVE (CVE): GCVE-0-2026-4135 GCVE (VulDB): GCVE-100-357721 Entryinfo Created: 04/15/2026 16:05 Changes: 04/15/2026 16:05 (74) Complete: 🔍 Cache ID: 99:22E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸