CVE-2026-21340

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.1.0]"}}], "product": "substance_3d_designer", "vendor": "adobe"}], "analysis": {"en": {"generated_at": "2026-04-18T12:45:35.214431+00:00", "value": {"mitigation_remediation": ["Apply the Adobe security update for Substance3D Designer as detailed in the advisory linked above. This patch resolves the out\u2011of\u2011bounds read by adding proper bounds checks. Its application eliminates the immediate memory exposure risk.", "Limit users\u2019 ability to open files from untrusted or unknown sources. Enforce strict file\u2011import policies or apply content filtering to prevent accidental processing of malicious documents. This mitigates the user\u2011interaction prerequisite of the vulnerability.", "Verify that no legacy or unsupported versions of Substance3D Designer remain installed; uninstall or upgrade any such instances to ensure the out\u2011of\u2011bounds read is patched."], "summary": {"action": "Patch Now", "impact": "Information Disclosure"}, "threat_synthesis": {"affected_systems": "Adobe Substan\u0435t3D Designer 15.1.0 and any earlier release are affected.", "description_and_impact": "Substance3D Designer versions 15.1.0 and earlier contain an out\u2011of\u2011bounds read that can expose data stored in memory. The flaw arises when the software reads beyond the bounds of a buffer, potentially leaking sensitive information. The issue is classified as CWE\u2011125.", "risk_and_exploitability": "The CVSS score of 5.5 indicates a moderate severity. The EPSS score of less than 1% shows a very low probability of exploitation. The vulnerability is not recorded in CISA\u2019s KEV catalog. The flaw requires user interaction; a victim must open a malicious file for the read to occur, which limits the attacker\u2019s reach to scenarios where a user can be lured to process a file."}}}}, "created": "2026-02-11T21:52:05.418441+00:00", "updated": "2026-04-18T12:45:45.677791+00:00", "vendors": ["adobe", "adobe$PRODUCT$substance_3d_designer"]}