VulnerabilityAnalyzed
CVE-2026-20446
In sec boot, there is a possible out of bounds write due to an integer overflow.
MEDIUM 4.3EPSS 0.19%
Does this matter?
Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.
Description
In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.19% probability · 9th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787, CWE-190
- Affected
- mediatek/mt6813 firmware
- Source
- security@mediatek.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.