CVE-2026-20506CWE-416

CVE-2026-20506

Medium · published September 7, 2026

CVSS v3.1
6.7
EPSS
0%
Percentile
1.4
In the wild
Unconfirmed
What it is

In Audio HAL, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11191981; Issue ID: MSV-9126.

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00114 · 1.4th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-07T06:17Z
References (1)
https://www.mediatek.com/product-security-bulletin/September-2026 · [email protected]
EPSS history
Timeline
  • 08 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 07 SEP 01:57Z
    In Audio HAL, there is a possible escalation of privilege due to use after free
    cvelistv5