What is CVE-2026-49413?

CVE-2026-49413 is a high-severity vulnerability in Freebsd, classified under Incorrect Privilege Assignment. CVSS score: 7.1/10. Published 2026-06-27.

How severe is CVE-2026-49413?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2026-49413 known to be exploited?

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

Privilege escalation in Freebsd

CVE-2026-49413

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the P_SUGID process flag. During execve(2), this flag is not yet set at the point where the auxiliary vector is constructed, so AT_SECURE was incorrec…

EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Freebsd — versions 14.3, 15.0, 14.4-RELEASE

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

Public proof-of-concept exploits

ii4gsp/CVE-2026-49413

References

secteam@freebsd.org (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-49413?: CVE-2026-49413 is a high-severity vulnerability in Freebsd, classified under Incorrect Privilege Assignment. CVSS score: 7.1/10. Published 2026-06-27.
How severe is CVE-2026-49413?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2026-49413 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.