Medium severity · published Mar 2, 2026
CVE-2026-20438
In MAE, there is a possible out of bounds write due to a race condition
6.4
CVSS
0.1%
EPSS
No
On KEV
Description
In MAE, there is a possible out of bounds write due to a race condition. 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: ALPS10431920; Issue ID: MSV-5835.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
15.0 · source: NVD
MC
MediaTek chipset · MediaTek, Inc.
MT2718; MT6899; MT6991; MT8168; MT8169; MT8186; +5 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20438
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/March-2026
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