CVE-2026-20483

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.
References
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:mediatek:mt6739_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:mediatek:mt6761_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:mediatek:mt6765_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:mediatek:mt6879_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND
cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*

Configuration 21 (hide)

AND
cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*

Configuration 22 (hide)

AND
cpe:2.3:o:mediatek:mt6983_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*

Configuration 23 (hide)

AND
cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*

Configuration 24 (hide)

AND
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*

Configuration 25 (hide)

AND
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*

Configuration 26 (hide)

AND
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*

Configuration 27 (hide)

AND
cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*

Configuration 28 (hide)

AND
cpe:2.3:o:mediatek:mt8766r_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8766r:-:*:*:*:*:*:*:*

Configuration 29 (hide)

AND
cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*

Configuration 30 (hide)

AND
cpe:2.3:o:mediatek:mt8775_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*

Configuration 31 (hide)

AND
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*

Configuration 32 (hide)

AND
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*

Configuration 33 (hide)

AND
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*

Configuration 34 (hide)

AND
cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*

Configuration 35 (hide)

AND
cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-08-03 03:16

Updated : 2026-08-19 17:01


NVD link : CVE-2026-20483

Mitre link : CVE-2026-20483

CVE.ORG link : CVE-2026-20483


JSON object : View

Products Affected

mediatek

  • mt6789
  • mt6983
  • mt6855_firmware
  • mt8768
  • mt6765
  • mt6833
  • mt6789_firmware
  • mt6885
  • mt6781
  • mt6879_firmware
  • mt6989_firmware
  • mt6878
  • mt6889
  • mt8775
  • mt6889_firmware
  • mt6877
  • mt6833_firmware
  • mt6886
  • mt8893
  • mt6985_firmware
  • mt8873_firmware
  • mt8883_firmware
  • mt6883_firmware
  • mt6895
  • mt6877_firmware
  • mt6768
  • mt6893
  • mt8775_firmware
  • mt6993_firmware
  • mt6835_firmware
  • mt6885_firmware
  • mt6991
  • mt8796_firmware
  • mt6993
  • mt6853
  • mt6761
  • mt6879
  • mt8766r
  • mt8781
  • mt6991_firmware
  • mt8766r_firmware
  • mt8792
  • mt6985
  • mt8766_firmware
  • mt6886_firmware
  • mt6893_firmware
  • mt6781_firmware
  • mt6895_firmware
  • mt6897_firmware
  • mt8873
  • mt6835
  • mt6768_firmware
  • mt6989
  • mt6897
  • mt6983_firmware
  • mt8781_firmware
  • mt8766
  • mt6855
  • mt8768_firmware
  • mt6878_firmware
  • mt6739_firmware
  • mt6765_firmware
  • mt6761_firmware
  • mt6883
  • mt8796
  • mt8893_firmware
  • mt6853_firmware
  • mt8883
  • mt8792_firmware
  • mt6739
CWE
CWE-862

Missing Authorization