What is CVE-2026-0027?

CVE-2026-0027 is a medium-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 6.7/10. Published 2026-03-02.

How severe is CVE-2026-0027?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Use After Free in Google Android

CVE-2026-0027

In smmu_detach_dev of arm-smmu-v3.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Use-After-Free

EPSS: 0.001 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions Android kernel

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@android.com (Product, Patch)
security@android.com (Product, Patch)
security@android.com (Product, Patch)
security@android.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-0027?: CVE-2026-0027 is a medium-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 6.7/10. Published 2026-03-02.
How severe is CVE-2026-0027?: Medium severity. CVSS v3 base score is 6.7 out of 10.