EUVD-2026-23916
GHSA-62jj-2mw3-wfp2
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
Insecure Permissions vulnerability in DeepCool DeepCreative v.1.2.7 and before allows a local attacker to execute arbitrary code via a crafted file
AnalysisAI
Local privilege escalation in DeepCool DeepCreative software version 1.2.7 and earlier allows unauthenticated attackers to execute arbitrary code with elevated privileges through malicious file processing. The vulnerability stems from insecure permission configuration (CWE-277) requiring user interaction to open a crafted file. Public exploit research exists on GitHub (uncle-hash repository), though CISA has not confirmed active exploitation. CVSS 7.8 indicates high severity, but EPSS data unavailable; SSVC framework rates technical impact as total with no confirmed exploitation and non-automatable attack path.
Technical ContextAI
DeepCreative is DeepCool's PC cooling and RGB lighting control software. The vulnerability exploits CWE-277 (Insecure Inherited Permissions / Privilege Management), where the application grants excessive permissions to files or resources accessible by lower-privileged users. When DeepCreative processes a specially crafted file with user interaction, insecure permission assignments allow the file's code to execute with elevated system privileges. This commonly occurs when applications fail to validate permission boundaries during file operations or inherit overly permissive access controls from parent processes. The local attack vector (AV:L) confirms the attacker needs existing access to the target system, but no authentication is required (PR:N) once local access exists, suggesting the vulnerability affects the application's file handling regardless of Windows user privilege level.
RemediationAI
DeepCool has not published a vendor security advisory or patch announcement at deepcool.com or deepcreative.com based on available references. Users should monitor DeepCool's official website and software update mechanisms for security patches addressing CVE-2026-30266. Until a patch becomes available, implement these specific compensating controls: (1) Restrict DeepCreative software execution to administrative users only through Windows AppLocker or Software Restriction Policies, preventing standard users from launching the application - trade-off: disrupts RGB/cooling management for non-admin users. (2) Configure Windows to block execution of files from untrusted locations using Controlled Folder Access or WDAC policies, specifically targeting file types processed by DeepCreative - trade-off: may interfere with legitimate configuration file imports. (3) Deploy application sandboxing through Windows Sandbox or virtualization when opening any DeepCreative configuration files from external sources - trade-off: adds operational complexity. (4) Disable automatic file association handling for DeepCreative file types through registry modification or group policy - trade-off: requires manual file import workflow. Review the GitHub research repository at https://github.com/uncle-hash/vulnerability-research/tree/main/CVE-2026-30266 for technical indicators that security monitoring tools can detect attempted exploitation.
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Same weakness CWE-277 – Insecure Inherited Permissions
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External POC / Exploit Code
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