CVE-2026-20455
Published: 01 June 2026
Summary
CVE-2026-20455 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Mediatek Mt6739 Firmware. Its CVSS base score is 7.8 (High).
Operationally, ranked at the 1.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-33544
Vulnerability details
In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for…
more
exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6784.
- CWE(s)
Related Threats
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.