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THREAT OPSThreat News › [NVD] CVE-2026-20466 — In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitat

[NVD] CVE-2026-20466 — In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitat

mednvdPublished 2026-08-03

CVE-2026-20466 CVSS: None Published: 2026-08-03T03:16:41.433

In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: AUTO00845351 (Note: For MT2737) / ALPS1107

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-20466