CVE-2026-40572 | MinecAnton209 NovumOS up to 0.23 privileges management (GHSA-rg7m-6vh7-f4v2)

VDB-358181 · CVE-2026-40572 · GHSA-RG7M-6VH7-F4V2 MINECANTON209 NOVUMOS UP TO 0.23 PRIVILEGES MANAGEMENT HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.0 $0-$5k 0.38+ Summaryinfo A vulnerability was found in MinecAnton209 NovumOS up to 0.23. It has been classified as critical. Affected is an unknown function. The manipulation leads to privileges management. This vulnerability is documented as CVE-2026-40572. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended. Detailsinfo A vulnerability was found in MinecAnton209 NovumOS up to 0.23. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is: NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 (MemoryMapRange) allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical kernel structures such as the IDT, GDT, TSS, and page tables. A local attacker can exploit this to modify kernel interrupt handlers, resulting in privilege escalation from user mode to kernel context. This issue has been fixed in version 0.24. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-40572 since 04/14/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue. Upgrading to version 0.24 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor MinecAnton209 Name NovumOS Version 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.22 0.23 Website Product: https://github.com/MinecAnton209/NovumOS/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.1 VulDB Meta Temp Score: 7.0 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.0 CNA Vector (GitHub_M): 🔒 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: Privileges management CWE: CWE-269 / CWE-266 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: NovumOS 0.24 Timelineinfo 04/14/2026 CVE reserved 04/18/2026 +4 days Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-rg7m-6vh7-f4v2 Status: Confirmed CVE: CVE-2026-40572 (🔒) GCVE (CVE): GCVE-0-2026-40572 GCVE (VulDB): GCVE-100-358181 Entryinfo Created: 04/18/2026 09:23 Changes: 04/18/2026 09:23 (65) Complete: 🔍 Cache ID: 99:796:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸