What is CVE-2026-25266?

CVE-2026-25266 is a medium-severity vulnerability in Qualcomm Cologne, classified under CWE-749. CVSS score: 5.5/10. Published 2026-05-04.

How severe is CVE-2026-25266?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Qualcomm Cologne

CVE-2026-25266

Memory corruption while processing IOCTL command when device is in power-save state.

Published 2026-05-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.0th percentile), scored 2026-09-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.0% 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

Weakness classification (CWE)

References

docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.ht… (Vendor Advisory)

Frequently asked questions

What is CVE-2026-25266?: CVE-2026-25266 is a medium-severity vulnerability in Qualcomm Cologne, classified under CWE-749. CVSS score: 5.5/10. Published 2026-05-04.
How severe is CVE-2026-25266?: Medium severity. CVSS v3 base score is 5.5 out of 10.