CVE-2026-20483CWE-862broken-access-control

CVE-2026-20483

High · published August 3, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
6.3
In the wild
Unconfirmed
What it is

In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00172 · 6.3th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-03T07:16Z
Affected products (35)
ProductVersionsFixed in
mediatek/mt8893_firmwareall versions—
mediatek/mt6739_firmwareall versions—
mediatek/mt6761_firmwareall versions—
mediatek/mt6765_firmwareall versions—
mediatek/mt6768_firmwareall versions—
mediatek/mt6781_firmwareall versions—
mediatek/mt6789_firmwareall versions—
mediatek/mt6833_firmwareall versions—
mediatek/mt6835_firmwareall versions—
mediatek/mt6853_firmwareall versions—
mediatek/mt6855_firmwareall versions—
mediatek/mt6877_firmwareall versions—
mediatek/mt6878_firmwareall versions—
mediatek/mt6879_firmwareall versions—
mediatek/mt6883_firmwareall versions—
mediatek/mt6885_firmwareall versions—
mediatek/mt6886_firmwareall versions—
mediatek/mt6889_firmwareall versions—
mediatek/mt6893_firmwareall versions—
mediatek/mt6895_firmwareall versions—
mediatek/mt6897_firmwareall versions—
mediatek/mt6983_firmwareall versions—
mediatek/mt6985_firmwareall versions—
mediatek/mt6989_firmwareall versions—
mediatek/mt6991_firmwareall versions—
mediatek/mt6993_firmwareall versions—
mediatek/mt8766_firmwareall versions—
mediatek/mt8766r_firmwareall versions—
mediatek/mt8768_firmwareall versions—
mediatek/mt8775_firmwareall versions—
mediatek/mt8781_firmwareall versions—
mediatek/mt8792_firmwareall versions—
mediatek/mt8796_firmwareall versions—
mediatek/mt8873_firmwareall versions—
mediatek/mt8883_firmwareall versions—
References (1)
EPSS history
Timeline
  • 03 AUG 02:05Z
    In Telephony, there is a possible escalation of privilege due to a missing permission check
    cvelistv5