CVE-2026-20464CWE-787

CVE-2026-20464

Medium · published August 3, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
41.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00497 · 41.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-08-03T07:16Z
References (1)
https://www.mediatek.com/product-security-bulletin/August-2026 · [email protected]
EPSS history
Timeline
  • 03 AUG 02:05Z
    In hevc decoder, there is a possible out of bounds write due to an integer overflow
    cvelistv5