{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20598", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.050Z", "datePublished": "2026-11-02T02:34:16.442Z", "dateUpdated": "2026-11-02T02:34:16.442Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-11-02T02:34:16.442Z"}, "descriptions": [{"lang": "en", "value": "In Modem, there is a possible out of bounds read due to an integer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01755742; Issue ID: MSV-8896."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT2716", "status": "affected"}, {"version": "MT6835", "status": "affected"}, {"version": "MT6858", "status": "affected"}, {"version": "MT6878", "status": "affected"}, {"version": "MT6881", "status": "affected"}, {"version": "MT6897", "status": "affected"}, {"version": "MT6899", "status": "affected"}, {"version": "MT6982", "status": "affected"}, {"version": "MT6986", "status": "affected"}, {"version": "MT6988", "status": "affected"}, {"version": "MT6991", "status": "affected"}, {"version": "MT6993", "status": "affected"}, {"version": "MT8668", "status": "affected"}, {"version": "MT8676", "status": "affected"}, {"version": "MT8678", "status": "affected"}, {"version": "MT8755", "status": "affected"}, {"version": "MT8775", "status": "affected"}, {"version": "MT8792", "status": "affected"}, {"version": "MT8793", "status": "affected"}, {"version": "MT8863", "status": "affected"}, {"version": "MT8873", "status": "affected"}, {"version": "MT8875", "status": "affected"}, {"version": "MT8883", "status": "affected"}]}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/November-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MediaTek chipset", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "MT2716"}, {"status": "affected", "version": "MT6835"}, {"status": "affected", "version": "MT6858"}, {"status": "affected", "version": "MT6878"}, {"status": "affected", "version": "MT6881"}, {"status": "affected", "version": "MT6897"}, {"status": "affected", "version": "MT6899"}, {"status": "affected", "version": "MT6982"}, {"status": "affected", "version": "MT6986"}, {"status": "affected", "version": "MT6988"}, {"status": "affected", "version": "MT6991"}, {"status": "affected", "version": "MT6993"}, {"status": "affected", "version": "MT8668"}, {"status": "affected", "version": "MT8676"}, {"status": "affected", "version": "MT8678"}, {"status": "affected", "version": "MT8755"}, {"status": "affected", "version": "MT8775"}, {"status": "affected", "version": "MT8792"}, {"status": "affected", "version": "MT8793"}, {"status": "affected", "version": "MT8863"}, {"status": "affected", "version": "MT8873"}, {"status": "affected", "version": "MT8875"}, {"status": "affected", "version": "MT8883"}]}], "source": "security@mediatek.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Modem, there is a possible out of bounds read due to an integer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01755742; Issue ID: MSV-8896."}], "id": "CVE-2026-20598", "lastModified": "2026-11-02T03:17:37.500", "metrics": {}, "published": "2026-11-02T03:17:37.500", "references": [{"source": "security@mediatek.com", "url": "https://www.mediatek.com/product-security-bulletin/November-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security@mediatek.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT2716"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6835"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6858"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6878"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6881"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6897"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6899"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6982"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6986"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6988"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6991"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8668"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8676"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8678"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8755"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8775"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8792"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8793"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8863"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8873"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8875"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8883"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT2716"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6835"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6858"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6878"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6881"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6897"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6899"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6982"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6986"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6988"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6991"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8668"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8676"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8678"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8755"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8775"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8792"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8793"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8863"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8873"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8875"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8883"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek,_inc."}], "created": "2026-11-02T03:45:14.007746+00:00", "title": "Out-of-Bounds Read in MediaTek Modem Causing Remote Denial of Service", "updated": "2026-11-02T11:00:11.665449+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mediatek_chipset", "mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}