What is CVE-2026-20435?

CVE-2026-20435 is a medium-severity vulnerability in Google Android, classified under Insufficiently Protected Credentials. CVSS score: 4.6/10. Published 2026-03-02.

How severe is CVE-2026-20435?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Google Android

CVE-2026-20435

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 14.0, 15.0, 16.0
Linuxfoundation Yocto — versions 4.0
Mediatek Mt2737
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6781
Mediatek Mt6789
Mediatek Mt6813

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20435?: CVE-2026-20435 is a medium-severity vulnerability in Google Android, classified under Insufficiently Protected Credentials. CVSS score: 4.6/10. Published 2026-03-02.
How severe is CVE-2026-20435?: Medium severity. CVSS v3 base score is 4.6 out of 10.