What is CVE-2023-40130?

CVE-2023-40130 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2023-10-27.

How severe is CVE-2023-40130?

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

Is CVE-2023-40130 known to be exploited?

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

Vulnerability in Google Android

CVE-2023-40130

In notifyTimeout of CallRedirectionProcessor, there is a possible permission bypass due to a logic error in the code. This could lead to local escalation of privilege and background activity launch with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2023-10-27 · 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: 0.001 (1.3th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% 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 11.0, 12.0, 13

Public proof-of-concept exploits

References

android.googlesource.com/platform/packages/services/Telecomm/+/a43a880beaa6a643…
source.android.com/security/bulletin/2025-12-01
af854a3a-2127-422b-91ae-364da2661108 (Patch)
af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-40130?: CVE-2023-40130 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2023-10-27.
How severe is CVE-2023-40130?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-40130 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.