# Samsung Mobile Firmware vulnerabilities Source: https://junglewise.ai/threats/technologies/mobile-firmware Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/mobile-firmware.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in Samsung Mobile Firmware: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-21126, was published on 12 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 3 - All time: 5 (0 critical, 0 exploited in the wild) ## About Samsung Mobile Firmware Samsung firmware for mobile devices that manages core operating system functions. ## Latest Samsung Mobile Firmware vulnerabilities - [CVE-2026-21126: Samsung libsimba.heifdec.media buffer overflow in cover image processing](https://junglewise.ai/threats/cve-2026-21126-improper-input-validation-in-getting-cover-image-in-libsimba) (info, published 12 Oct 2026) - [CVE-2026-21116: libsmkvextractor out-of-bounds write](https://junglewise.ai/threats/cve-2026-21116-out-of-bounds-write-in-libsmkvextractor-so-prior-to-smr-oct-2026) (info, published 12 Oct 2026) - [CVE-2026-21086: Samsung ProxyHandler improper authorization in SMR Aug-2026](https://junglewise.ai/threats/cve-2026-21086-samsung-proxyhandler-improper-authorization-in-smr-aug-2026) (info, published 9 Sep 2026) - [CVE-2026-21068: Samsung libril_sem stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-21068-samsung-libril-sem-stack-based-buffer-overflow) (high, CVSS 7.8, published 10 Aug 2026) - [CVE-2026-21066: Samsung libcodec2_sec_flacdec out-of-bounds write](https://junglewise.ai/threats/cve-2026-21066-samsung-libcodec2-sec-flacdec-out-of-bounds-write) (high, CVSS 7.8, published 10 Aug 2026) ## Most severe Samsung Mobile Firmware vulnerabilities - [CVE-2026-21068: Samsung libril_sem stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-21068-samsung-libril-sem-stack-based-buffer-overflow) (high, CVSS 7.8, published 10 Aug 2026) - [CVE-2026-21066: Samsung libcodec2_sec_flacdec out-of-bounds write](https://junglewise.ai/threats/cve-2026-21066-samsung-libcodec2-sec-flacdec-out-of-bounds-write) (high, CVSS 7.8, published 10 Aug 2026) - [CVE-2026-21126: Samsung libsimba.heifdec.media buffer overflow in cover image processing](https://junglewise.ai/threats/cve-2026-21126-improper-input-validation-in-getting-cover-image-in-libsimba) (info, published 12 Oct 2026) - [CVE-2026-21116: libsmkvextractor out-of-bounds write](https://junglewise.ai/threats/cve-2026-21116-out-of-bounds-write-in-libsmkvextractor-so-prior-to-smr-oct-2026) (info, published 12 Oct 2026) - [CVE-2026-21086: Samsung ProxyHandler improper authorization in SMR Aug-2026](https://junglewise.ai/threats/cve-2026-21086-samsung-proxyhandler-improper-authorization-in-smr-aug-2026) (info, published 9 Sep 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up from none in the four before. | 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 | 1 | 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 | 2 | 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 Samsung technologies - [Samsung Exynos 1380](https://junglewise.ai/threats/technologies/exynos-1380): 37 vulnerabilities - [Samsung Exynos 1480](https://junglewise.ai/threats/technologies/exynos-1480): 37 vulnerabilities - [Samsung Exynos 1580](https://junglewise.ai/threats/technologies/exynos-1580): 37 vulnerabilities - [Samsung Exynos 2400](https://junglewise.ai/threats/technologies/exynos-2400): 33 vulnerabilities - [Samsung Exynos 1330](https://junglewise.ai/threats/technologies/exynos-1330): 30 vulnerabilities - [Samsung Escargot](https://junglewise.ai/threats/technologies/escargot): 28 vulnerabilities - [Samsung Exynos 2500](https://junglewise.ai/threats/technologies/exynos-2500): 27 vulnerabilities - [Samsung Exynos 1280](https://junglewise.ai/threats/technologies/exynos-1280): 25 vulnerabilities - [Samsung Exynos 2200](https://junglewise.ai/threats/technologies/exynos-2200): 20 vulnerabilities - [Samsung Exynos W920](https://junglewise.ai/threats/technologies/exynos-w920): 19 vulnerabilities - [Samsung Exynos 850](https://junglewise.ai/threats/technologies/exynos-850): 18 vulnerabilities - [Samsung Exynos W930](https://junglewise.ai/threats/technologies/exynos-w930): 18 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, "Samsung Mobile Firmware vulnerabilities", https://junglewise.ai/threats/technologies/mobile-firmware, 12 November 2026.