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CVE-2026-20508In Power HAL, there is a possible escalation of privilege due to type confusion. This could lead to local escalation of privilege if a…

Description

In Power HAL, there is a possible escalation of privilege due to type confusion. 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: ALPS11165543; Issue ID: MSV-9012.

Timeline

  1. ID reserved

    By MediaTek

  2. · 10 months later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-20508, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred3.1Medium6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.17% · top 94% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.

Affected products

  • MediaTek, Inc. · MediaTek chipset

    • affected MT2718
    • affected MT6739
    • affected MT6761
    • affected MT6765
    • affected MT6768
    • affected MT6769
    • affected MT6781
    • affected MT6789
    • affected MT6833
    • affected MT6835
    • affected MT6853
    • affected MT6855
    • affected MT6858
    • affected MT6877
    • affected MT6878
    • affected MT6879
    • affected MT6881
    • affected MT6883
    • affected MT6885
    • affected MT6886
    • affected MT6889
    • affected MT6893
    • affected MT6895
    • affected MT6897
    • affected MT6899
    • affected MT6983
    • affected MT6985
    • affected MT6989
    • affected MT6991
    • affected MT6993
    • affected MT8171
    • affected MT8186
    • affected MT8188
    • affected MT8189
    • affected MT8196
    • affected MT8668
    • affected MT8676
    • affected MT8678
    • affected MT8696
    • affected MT8793

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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[![CVE-2026-20508](https://cveledger.app/badge/CVE-2026-20508.svg)](https://cveledger.app/cve/CVE-2026-20508)

Record last updated .