CVE-2026-20542In apusys, there is a possible memory corruption due to use after free.
Updated under an hour ago ()
Does this affect you?
It affects MediaTek, Inc. MediaTek chipset and 19 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
In apusys, 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: ALPS11076799; Issue ID: MSV-8143.
- CVSS
- 6.7 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- 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
- MediaTek
- NVD analysis
- Analyzed
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MediaTek, Inc. MediaTek chipset mediatek:chipset (from the name) | MT2718; MT6878; MT6897; MT6899; MT6989; MT6991; MT8171; MT8188; and 11 more ranges | CNA record |
mediatek mt2718_firmware mediatek:mt2718_firmware | all versions | NVD |
mediatek mt6878_firmware mediatek:mt6878_firmware | all versions | NVD |
mediatek mt6897_firmware mediatek:mt6897_firmware | all versions | NVD |
mediatek mt6899_firmware mediatek:mt6899_firmware | all versions | NVD |
mediatek mt6989_firmware mediatek:mt6989_firmware | all versions | NVD |
mediatek mt6991_firmware mediatek:mt6991_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 mt8196_firmware mediatek:mt8196_firmware | all versions | NVD |
mediatek mt8370_firmware mediatek:mt8370_firmware | all versions | NVD |
mediatek mt8371_firmware mediatek:mt8371_firmware | all versions | NVD |
mediatek mt8390_firmware mediatek:mt8390_firmware | all versions | NVD |
mediatek mt8391_firmware mediatek:mt8391_firmware | all versions | NVD |
mediatek mt8395_firmware mediatek:mt8395_firmware | all versions | NVD |
mediatek mt8678_firmware mediatek:mt8678_firmware | all versions | NVD |
mediatek mt8792_firmware mediatek:mt8792_firmware | all versions | NVD |
mediatek mt8793_firmware mediatek:mt8793_firmware | all versions | NVD |
mediatek mt8796_firmware mediatek:mt8796_firmware | all versions | NVD |
References
- https://www.mediatek.com/product-security-bulletin/October-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.