What is CVE-2022-40503?

CVE-2022-40503 is a high-severity vulnerability in Qualcomm 8905, classified under Buffer Over-read. CVSS score: 8.2/10. Published 2023-04-13.

How severe is CVE-2022-40503?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2022-40503 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Qualcomm 8905

CVE-2022-40503

Information disclosure due to buffer over-read in Bluetooth Host while A2DP streaming.

Published 2023-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (32.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

sgxgsx/BlueToolkit

References

www.qualcomm.com/company/product-security/bulletins/april-2023-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-40503?: CVE-2022-40503 is a high-severity vulnerability in Qualcomm 8905, classified under Buffer Over-read. CVSS score: 8.2/10. Published 2023-04-13.
How severe is CVE-2022-40503?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2022-40503 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.