What is CVE-2026-47330?

CVE-2026-47330 is a low-severity vulnerability in Canonical Ubuntu Linux, classified under CWE-457. CVSS score: 3.3/10. Published 2026-05-28.

How severe is CVE-2026-47330?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Canonical Ubuntu Linux

CVE-2026-47330

Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the…

EPSS: 0.000 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Canonical Ubuntu Linux — versions 6.8.0, 6.17.0, 7.0.0

Weakness classification (CWE)

CWE-457

References

security@ubuntu.com (patch)

Frequently asked questions

What is CVE-2026-47330?: CVE-2026-47330 is a low-severity vulnerability in Canonical Ubuntu Linux, classified under CWE-457. CVSS score: 3.3/10. Published 2026-05-28.
How severe is CVE-2026-47330?: Low severity. CVSS v3 base score is 3.3 out of 10.