CVE-2026-20473In display, there is a possible memory corruption due to use after free.
Updated under an hour ago ()
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It affects mediatek mt6991_firmware and 16 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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In display, there is a possible memory corruption 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: ALPS11019722; Issue ID: MSV-7759.
- CVSS
- 6.0 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mediatek mt6991_firmware mediatek:mt6991_firmware | all versions | NVD |
mediatek mt8910_firmware mediatek:mt8910_firmware | all versions | NVD |
mediatek mt6993_firmware mediatek:mt6993_firmware | all versions | NVD |
mediatek mt8126_firmware mediatek:mt8126_firmware | all versions | NVD |
mediatek mt8171_firmware mediatek:mt8171_firmware | all versions | NVD |
mediatek mt8188_firmware mediatek:mt8188_firmware | all versions | NVD |
mediatek mt8189_firmware mediatek:mt8189_firmware | all versions | NVD |
mediatek mt8367_firmware mediatek:mt8367_firmware | all versions | NVD |
mediatek mt8668_firmware mediatek:mt8668_firmware | all versions | NVD |
mediatek mt8676_firmware mediatek:mt8676_firmware | all versions | NVD |
mediatek mt8678_firmware mediatek:mt8678_firmware | all versions | NVD |
mediatek mt8766_firmware mediatek:mt8766_firmware | all versions | NVD |
mediatek mt8768_firmware mediatek:mt8768_firmware | all versions | NVD |
mediatek mt8781_firmware mediatek:mt8781_firmware | all versions | NVD |
mediatek mt8786_firmware mediatek:mt8786_firmware | all versions | NVD |
mediatek mt8791t_firmware mediatek:mt8791t_firmware | all versions | NVD |
mediatek mt8799_firmware mediatek:mt8799_firmware | all versions | NVD |
References
- https://www.mediatek.com/product-security-bulletin/August-2026vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.