What is CVE-2026-55290?

CVE-2026-55290 is a low-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 3.3/10. Published 2026-09-08.

How severe is CVE-2026-55290?

Low severity. CVSS v3 base score is 3.3 out of 10.

Buffer overflow in Google Android

CVE-2026-55290

In setTo of ResourceTypes.cpp, there is a possible out-of-bounds heap read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

Published 2026-09-08 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.3% 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 17.0, 15.0, 14.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

source.android.com/docs/security/bulletin/2026/2026-09-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-55290?: CVE-2026-55290 is a low-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 3.3/10. Published 2026-09-08.
How severe is CVE-2026-55290?: Low severity. CVSS v3 base score is 3.3 out of 10.