What is CVE-2021-1050?

CVE-2021-1050 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-11-08.

How severe is CVE-2021-1050?

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

Buffer overflow in Google Android

CVE-2021-1050

In MMU_UnmapPages of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-243825200

Vulnerability class: Buffer Overflow

Published 2022-11-08 · 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: 0.002 (4.7th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Android
Android — versions Android SoC

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

source.android.com/security/bulletin/2022-11-01 (Vendor Advisory)
packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-Information-L… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-1050?: CVE-2021-1050 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-11-08.
How severe is CVE-2021-1050?: High severity. CVSS v3 base score is 7.8 out of 10.