CVE-2026-4546 | Flos Freeware Notepad2 4.2.25 TextShaping.dll uncontrolled search path

VDB-352373 · CVE-2026-4546 · GCVE-100-352373 FLOS FREEWARE NOTEPAD2 4.2.25 TEXTSHAPING.DLL UNCONTROLLED SEARCH PATH HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.8 $0-$5k 1.21+ Summaryinfo A vulnerability was found in Flos Freeware Notepad2 4.2.25. It has been rated as problematic. Affected is an unknown function in the library TextShaping.dll. The manipulation leads to uncontrolled search path. This vulnerability is listed as CVE-2026-4546. The attack must be carried out locally. There is no available exploit. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in Flos Freeware Notepad2 4.2.25 and classified as critical. This issue affects an unknown function in the library TextShaping.dll. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. The advisory is shared at drive.google.com. The identification of this vulnerability is CVE-2026-4546. The exploitation is known to be difficult. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/21/2026). MITRE ATT&CK project uses the attack technique T1574 for this issue. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Flos Freeware Name Notepad2 Version 4.2.25 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.0 VulDB Meta Temp Score: 6.8 VulDB Base Score: 7.0 VulDB Temp Score: 6.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Uncontrolled search path CWE: CWE-427 / CWE-426 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Advisory: drive.google.com Status: Not defined CVE: CVE-2026-4546 (🔒) GCVE (CVE): GCVE-0-2026-4546 GCVE (VulDB): GCVE-100-352373 Entryinfo Created: 03/21/2026 17:49 Changes: 03/21/2026 17:49 (52) Complete: 🔍 Submitter: haehanse Cache ID: 99:655:101 Submitinfo Accepted Submit #774778: Flos Freeware Notepad2 4.2.25 Uncontrolled Search Path - DLL Hijacking with TextShaping.dll (by haehanse) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸