# MediaTek MT8678 vulnerabilities Source: https://junglewise.ai/threats/technologies/mt8678 Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/mt8678.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 29 vulnerabilities in MediaTek MT8678: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-20515, was published on 7 September 2026. Nothing was published in the last eight weeks. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 29 (0 critical, 0 exploited in the wild) ## About MediaTek MT8678 MediaTek MT8678 is a system-on-chip processor for mobile and computing devices. ## Latest MediaTek MT8678 vulnerabilities - [CVE-2026-20515: MediaTek GPU use after free leading to system crash](https://junglewise.ai/threats/cve-2026-20515-mediatek-gpu-use-after-free-leading-to-system-crash) (medium, CVSS 5.5, published 7 Sep 2026) - [CVE-2026-20503: MediaTek Modem system crash due to missing bounds check](https://junglewise.ai/threats/cve-2026-20503-mediatek-modem-system-crash-due-to-missing-bounds-check) (medium, CVSS 5.3, published 7 Sep 2026) - [CVE-2026-20502: MediaTek vdec out of bounds write](https://junglewise.ai/threats/cve-2026-20502-mediatek-vdec-out-of-bounds-write) (high, CVSS 8.4, published 7 Sep 2026) - [CVE-2026-20501: MediaTek vdec heap buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-20501-mediatek-vdec-heap-buffer-overflow-privilege-escalation) (high, CVSS 8.4, published 7 Sep 2026) - [CVE-2026-20500: MediaTek Modem system crash due to improper input validation](https://junglewise.ai/threats/cve-2026-20500-mediatek-modem-system-crash-due-to-improper-input-validation) (medium, CVSS 5.5, published 7 Sep 2026) - [CVE-2026-20496: In geniezone, there is a possible out of bounds read due to a missing bounds check. This could lead to local…](https://junglewise.ai/threats/cve-2026-20496-in-geniezone-there-is-a-possible-out-of-bounds-read-due-to-a) (medium, CVSS 4.4, published 3 Aug 2026) - [CVE-2026-20489: MediaTek display integer overflow information disclosure](https://junglewise.ai/threats/cve-2026-20489-mediatek-display-integer-overflow-information-disclosure) (medium, CVSS 4.4, published 3 Aug 2026) - [CVE-2026-20488: MediaTek display information disclosure via missing bounds check](https://junglewise.ai/threats/cve-2026-20488-mediatek-display-information-disclosure-via-missing-bounds-check) (medium, CVSS 4.4, published 3 Aug 2026) - [CVE-2026-20486: MediaTek imgsensor application crash due to incorrect error handling](https://junglewise.ai/threats/cve-2026-20486-mediatek-imgsensor-application-crash-due-to-incorrect-error) (medium, CVSS 6.7, published 3 Aug 2026) - [CVE-2026-20484: MediaTek TFA information disclosure due to missing permission check](https://junglewise.ai/threats/cve-2026-20484-mediatek-tfa-information-disclosure-due-to-missing-permission) (medium, CVSS 4.4, published 3 Aug 2026) - [CVE-2026-20477: MediaTek display out-of-bounds write](https://junglewise.ai/threats/cve-2026-20477-mediatek-display-out-of-bounds-write) (medium, CVSS 6, published 3 Aug 2026) - [CVE-2026-20475: MediaTek display out-of-bounds write privilege escalation](https://junglewise.ai/threats/cve-2026-20475-mediatek-display-out-of-bounds-write-privilege-escalation) (medium, CVSS 6, published 3 Aug 2026) - [CVE-2026-20474: MediaTek display driver privilege escalation via race condition](https://junglewise.ai/threats/cve-2026-20474-mediatek-display-driver-privilege-escalation-via-race-condition) (medium, CVSS 6, published 3 Aug 2026) - [CVE-2026-20473: MediaTek display memory corruption use-after-free](https://junglewise.ai/threats/cve-2026-20473-mediatek-display-memory-corruption-use-after-free) (medium, CVSS 6, published 3 Aug 2026) - [CVE-2026-20461: MediaTek Modem out-of-bounds write via rogue base station](https://junglewise.ai/threats/cve-2026-20461-mediatek-modem-out-of-bounds-write-via-rogue-base-station) (info, published 1 Jul 2026) - [CVE-2026-20451: In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of…](https://junglewise.ai/threats/cve-2026-20451-in-slbc-there-is-a-possible-out-of-bounds-write-due-to-type) (medium, CVSS 6.7, published 4 May 2026) - [CVE-2026-20450: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2026-20450-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error) (medium, CVSS 6.5, published 4 May 2026) - [CVE-2026-20449: In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service…](https://junglewise.ai/threats/cve-2026-20449-in-modem-there-is-a-possible-system-crash-due-to-a-heap-buffer) (medium, CVSS 6.5, published 4 May 2026) - [CVE-2026-20433: In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation…](https://junglewise.ai/threats/cve-2026-20433-in-modem-there-is-a-possible-out-of-bounds-write-due-to-a-missing) (high, CVSS 8.8, published 7 Apr 2026) - [CVE-2026-20431: MediaTek Chipset denial of service in Modem](https://junglewise.ai/threats/cve-2026-20431-mediatek-chipset-denial-of-service-in-modem) (medium, CVSS 6.5, published 7 Apr 2026) - [CVE-2025-20794: In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2025-20794-in-modem-there-is-a-possible-system-crash-due-to-improper-input) (medium, CVSS 6.5, published 6 Jan 2026) - [CVE-2025-20793: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2025-20793-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error) (medium, CVSS 6.5, published 6 Jan 2026) - [CVE-2025-20762: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2025-20762-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error) (medium, CVSS 6.5, published 6 Jan 2026) - [CVE-2025-20761: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2025-20761-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error) (medium, CVSS 6.5, published 6 Jan 2026) - [CVE-2025-20760: In Modem, there is a possible read of uninitialized heap data due to an uncaught exception. This could lead to remote…](https://junglewise.ai/threats/cve-2025-20760-in-modem-there-is-a-possible-read-of-uninitialized-heap-data-due) (medium, CVSS 6.5, published 6 Jan 2026) ## Most severe MediaTek MT8678 vulnerabilities - [CVE-2026-20433: In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation…](https://junglewise.ai/threats/cve-2026-20433-in-modem-there-is-a-possible-out-of-bounds-write-due-to-a-missing) (high, CVSS 8.8, published 7 Apr 2026) - [CVE-2026-20502: MediaTek vdec out of bounds write](https://junglewise.ai/threats/cve-2026-20502-mediatek-vdec-out-of-bounds-write) (high, CVSS 8.4, published 7 Sep 2026) - [CVE-2026-20501: MediaTek vdec heap buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-20501-mediatek-vdec-heap-buffer-overflow-privilege-escalation) (high, CVSS 8.4, published 7 Sep 2026) - [CVE-2025-20763: In mmdvfs, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation…](https://junglewise.ai/threats/cve-2025-20763-in-mmdvfs-there-is-a-possible-out-of-bounds-write-due-to-a) (high, CVSS 7.8, published 2 Dec 2025) - [CVE-2026-20486: MediaTek imgsensor application crash due to incorrect error handling](https://junglewise.ai/threats/cve-2026-20486-mediatek-imgsensor-application-crash-due-to-incorrect-error) (medium, CVSS 6.7, published 3 Aug 2026) - [CVE-2026-20451: In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of…](https://junglewise.ai/threats/cve-2026-20451-in-slbc-there-is-a-possible-out-of-bounds-write-due-to-type) (medium, CVSS 6.7, published 4 May 2026) - [CVE-2025-20747: In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local…](https://junglewise.ai/threats/cve-2025-20747-in-gnss-service-there-is-a-possible-out-of-bounds-write-due-to-an) (medium, CVSS 6.7, published 4 Nov 2025) - [CVE-2025-20746: In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local…](https://junglewise.ai/threats/cve-2025-20746-in-gnss-service-there-is-a-possible-out-of-bounds-write-due-to-an) (medium, CVSS 6.7, published 4 Nov 2025) - [CVE-2026-20431: MediaTek Chipset denial of service in Modem](https://junglewise.ai/threats/cve-2026-20431-mediatek-chipset-denial-of-service-in-modem) (medium, CVSS 6.5, published 7 Apr 2026) - [CVE-2026-20450: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…](https://junglewise.ai/threats/cve-2026-20450-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error) (medium, CVSS 6.5, published 4 May 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 5 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other MediaTek technologies - [MediaTek MT6890](https://junglewise.ai/threats/technologies/mt6890): 43 vulnerabilities - [MediaTek MT6991](https://junglewise.ai/threats/technologies/mt6991): 41 vulnerabilities - [MediaTek Modem](https://junglewise.ai/threats/technologies/modem): 31 vulnerabilities - [MediaTek MT6877](https://junglewise.ai/threats/technologies/mt6877): 31 vulnerabilities - [MediaTek MT6835](https://junglewise.ai/threats/technologies/mt6835): 30 vulnerabilities - [MediaTek MT6878](https://junglewise.ai/threats/technologies/mt6878): 30 vulnerabilities - [MediaTek MT6833](https://junglewise.ai/threats/technologies/mt6833): 29 vulnerabilities - [MediaTek MT6853](https://junglewise.ai/threats/technologies/mt6853): 29 vulnerabilities - [MediaTek MT6893](https://junglewise.ai/threats/technologies/mt6893): 29 vulnerabilities - [MediaTek MT6899](https://junglewise.ai/threats/technologies/mt6899): 29 vulnerabilities - [MediaTek MT2735](https://junglewise.ai/threats/technologies/mt2735): 28 vulnerabilities - [MediaTek MT2737](https://junglewise.ai/threats/technologies/mt2737): 28 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "MediaTek MT8678 vulnerabilities", https://junglewise.ai/threats/technologies/mt8678, 9 November 2026.