# MediaTek MT6986 vulnerabilities Source: https://junglewise.ai/threats/technologies/mt6986 Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/mt6986.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 14 vulnerabilities in MediaTek MT6986: 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-2026-20552, was published on 2 November 2026. 1 vulnerability in the last four weeks, level on the four before (1). ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 5 - All time: 14 (0 critical, 0 exploited in the wild) ## About MediaTek MT6986 A mobile system-on-chip designed for high-end smartphones. ## Latest MediaTek MT6986 vulnerabilities - [CVE-2026-20552: MediaTek ccci out of bounds write](https://junglewise.ai/threats/cve-2026-20552-in-ccci-there-is-a-possible-out-of-bounds-write-due-to-a-missing) (info, published 2 Nov 2026) - [CVE-2026-20528: MediaTek ccci out-of-bounds write due to missing bounds check](https://junglewise.ai/threats/cve-2026-20528-in-ccci-there-is-a-possible-out-of-bounds-write-and-read-due-to-a) (medium, CVSS 6.7, published 5 Oct 2026) - [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-2026-20500: 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-2026-20490: MediaTek CCCI out-of-bounds read](https://junglewise.ai/threats/cve-2026-20490-mediatek-ccci-out-of-bounds-read) (medium, CVSS 4.4, published 3 Aug 2026) - [CVE-2026-20476: MediaTek ccci out of bounds read due to missing bounds check](https://junglewise.ai/threats/cve-2026-20476-mediatek-ccci-out-of-bounds-read-due-to-missing-bounds-check) (medium, CVSS 5.5, published 3 Aug 2026) - [CVE-2026-20471: MediaTek DA out-of-bounds write](https://junglewise.ai/threats/cve-2026-20471-mediatek-da-out-of-bounds-write) (medium, CVSS 4.6, published 3 Aug 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-2026-20431: 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-2025-20760: 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) - [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) ## Most severe MediaTek MT6986 vulnerabilities - [CVE-2026-20528: MediaTek ccci out-of-bounds write due to missing bounds check](https://junglewise.ai/threats/cve-2026-20528-in-ccci-there-is-a-possible-out-of-bounds-write-and-read-due-to-a) (medium, CVSS 6.7, published 5 Oct 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) - [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) - [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-2026-20476: MediaTek ccci out of bounds read due to missing bounds check](https://junglewise.ai/threats/cve-2026-20476-mediatek-ccci-out-of-bounds-read-due-to-missing-bounds-check) (medium, CVSS 5.5, published 3 Aug 2026) - [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-2026-20500: 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) ## Vulnerabilities per week 1 vulnerability in the last four weeks, level on the four before (1). | 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 | 3 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 1 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 1 | 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 MT8678](https://junglewise.ai/threats/technologies/mt8678): 29 vulnerabilities - [MediaTek MT2735](https://junglewise.ai/threats/technologies/mt2735): 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 MT6986 vulnerabilities", https://junglewise.ai/threats/technologies/mt6986, 10 November 2026.