VulnerabilityDeferred

CVE-2026-20464

In hevc decoder, there is a possible out of bounds write due to an integer overflow.

MEDIUM 6.5EPSS 0.35%

Does this matter?

Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.

Description

In hevc decoder, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11104718; Issue ID: MSV-8297.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.35% probability · 29th percentile
CISA KEV: Not listed
Weakness: CWE-787
Source: security@mediatek.com

References

https://www.mediatek.com/product-security-bulletin/August-2026

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.