CVE-2026-20414

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{"analysis": {"en": {"generated_at": "2026-04-18T00:41:10.654532+00:00", "value": {"mitigation_remediation": ["Apply the vendor\u2011provided patch (ALPS10362999) to devices running affected firmware.", "Update device firmware to the latest MediaTek releases that include the fix.", "If the patch cannot be applied immediately, isolate the imgSys component or restrict its execution privileges to prevent the use\u2011after\u2011free exploit."], "summary": {"action": "Apply Patch", "impact": "Privilege Escalation"}, "threat_synthesis": {"affected_systems": "Affected devices are those built on MediaTek chipsets MT6897, MT6989, MT8196, MT8678, MT8766, MT8768, MT8786, MT8796, and devices running Android 15.0 that incorporate the current imgSys library. The vulnerability is present in all firmware revisions before the patch identified as ALPS10362999.", "description_and_impact": "A use\u2011after\u2011free flaw in the MediaTek imgSys component can lead to local privilege escalation. The vulnerability lets an attacker who has already obtained System privileges gain higher privileges without user interaction. The CVE record does not provide details on the exact code paths or mechanisms.", "risk_and_exploitability": "The flaw has a CVSS score of 6.7, indicating moderate severity, and an EPSS score of less than 1%, suggesting a low likelihood of exploitation in the wild. It is not listed in the CISA KEV catalog. An attacker with local system access could exploit the use\u2011after\u2011free to elevate privileges without user interaction."}}}}, "created": "2026-02-04T12:44:37.544919+00:00", "title": "MediaTek imgSys Use\u2011After\u2011Free Allows Local Privilege Escalation", "updated": "2026-04-18T00:45:32.243483+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mt6897", "mediatek$PRODUCT$mt6989", "mediatek$PRODUCT$mt8196", "mediatek$PRODUCT$mt8678", "mediatek$PRODUCT$mt8766", "mediatek$PRODUCT$mt8768", "mediatek$PRODUCT$mt8786", "mediatek$PRODUCT$mt8796"], "weaknesses": ["CWE-416"]}