What is CVE-2023-21381?

CVE-2023-21381 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2023-10-30.

How severe is CVE-2023-21381?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Google Android

CVE-2023-21381

In Media Resource Manager, there is a possible local arbitrary code execution due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Use-After-Free

Published 2023-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 14

Weakness classification (CWE)

CWE-416 — Use After Free

References

source.android.com/docs/security/bulletin/android-14 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21381?: CVE-2023-21381 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2023-10-30.
How severe is CVE-2023-21381?: High severity. CVSS v3 base score is 7.8 out of 10.