What is CVE-2026-57555?

CVE-2026-57555 is a high-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Use After Free. CVSS score: 7.8/10. Published 2026-10-06.

How severe is CVE-2026-57555?

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

Use After Free in Qualcomm, Inc. Snapdragon

CVE-2026-57555

Memory Corruption when executing system service routines due to improper handling of user input buffers.

Vulnerability class: Use-After-Free

Published 2026-10-06 · last modified 2026-10-06.

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

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Qualcomm, Inc. Snapdragon — versions Cologne, FastConnect 6700, FastConnect 6900

Weakness classification (CWE)

CWE-416 — Use After Free

References

docs.qualcomm.com/product/publicresources/securitybulletin/october-2026-bulleti…

Frequently asked questions

What is CVE-2026-57555?: CVE-2026-57555 is a high-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Use After Free. CVSS score: 7.8/10. Published 2026-10-06.
How severe is CVE-2026-57555?: High severity. CVSS v3 base score is 7.8 out of 10.