CVE-2026-4545 | Flos Freeware Notepad2 4.2.25 PROPSYS.dll uncontrolled search path

VDB-352372 · CVE-2026-4545 · GCVE-100-352372 FLOS FREEWARE NOTEPAD2 4.2.25 PROPSYS.DLL UNCONTROLLED SEARCH PATH HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.8 $0-$5k 1.17+ Summaryinfo A vulnerability was found in Flos Freeware Notepad2 4.2.25. It has been declared as problematic. This impacts an unknown function in the library PROPSYS.dll. Executing a manipulation can lead to uncontrolled search path. This vulnerability is tracked as CVE-2026-4545. The attack is restricted to local execution. No exploit exists. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability has been found in Flos Freeware Notepad2 4.2.25 and classified as critical. This vulnerability affects some unknown processing in the library PROPSYS.dll. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at drive.google.com. This vulnerability was named CVE-2026-4545. The exploitation appears to be difficult. The attack needs to be approached locally. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/21/2026). The MITRE ATT&CK project declares the attack technique as T1574. 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-2026-4545 (🔒) GCVE (CVE): GCVE-0-2026-4545 GCVE (VulDB): GCVE-100-352372 Entryinfo Created: 03/21/2026 17:49 Changes: 03/21/2026 17:49 (52) Complete: 🔍 Submitter: haehanse Cache ID: 99:267:101 Submitinfo Accepted Submit #774752: Flos Freeware Notepad2 4.2.25 Uncontrolled Search Path (by haehanse) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸