# CVE-2026-40983

## Summary

- **CVE ID:** CVE-2026-40983
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-400
- **Published:** Jun 9, 2026
- **Last Modified:** Sep 14, 2026

## Description

In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.

Affected versions:
Micrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.

## Affected Products

- Spring — Micrometer (1.16.0)
- Spring — Micrometer (1.15.0)

## References

- [CNA](https://spring.io/security/cve-2026-40983)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-40983)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2486697)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40983.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36839)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:41951)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:50849)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:50848)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54435)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:62260)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:66488)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.63%
- **EPSS Percentile:** 48.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._