What is CVE-2026-21733?

CVE-2026-21733 is a high-severity vulnerability in Google Android, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.3/10. Published 2026-04-17.

How severe is CVE-2026-21733?

High severity. CVSS v3 base score is 7.3 out of 10.

Improper input validation in Google Android

CVE-2026-21733

Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files. This is caused by improper handling of GPU memory reservation protections.

EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Google Android
Imaginationtech Ddk — versions 25.3
Imagination Technologies Graphics Ddk — versions 24.1 RTM, 1.18 RTM, 25.1 RTM
Linux Linux_kernel

Weakness classification (CWE)

References

367425dc-4d06-4041-9650-c2dc6aaa27ce (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21733?: CVE-2026-21733 is a high-severity vulnerability in Google Android, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.3/10. Published 2026-04-17.
How severe is CVE-2026-21733?: High severity. CVSS v3 base score is 7.3 out of 10.