What is CVE-2026-47222?

CVE-2026-47222 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-06-12.

How severe is CVE-2026-47222?

Medium severity. CVSS v3 base score is 5.4 out of 10.

CVE-2026-47222

CVE-2026-47222

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot (AVB) vbmeta image parser in NanaZip (via the u…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read
CWE-191 — Integer Underflow

References

security-advisories@github.com

Frequently asked questions

What is CVE-2026-47222?: CVE-2026-47222 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-06-12.
How severe is CVE-2026-47222?: Medium severity. CVSS v3 base score is 5.4 out of 10.