# CVE-2026-12610

## Summary

- **CVE ID:** CVE-2026-12610
- **Severity:** MEDIUM
- **CVSS Score:** 6.4 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-825
- **Published:** Jun 30, 2026
- **Last Modified:** Aug 31, 2026

## Description

A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that disrupts authentication. This vulnerability also presents a potential for privilege escalation, although it is difficult to exploit.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-12610)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2490288)
- [CNA](https://github.com/SSSD/sssd/issues/8796)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._