What is CVE-2026-10046?

CVE-2026-10046 is a high-severity vulnerability in Bitdefender Napoca, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-06-02.

How severe is CVE-2026-10046?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Bitdefender Napoca

CVE-2026-10046

Bitdefender Napoca bare-metal hypervisor contains an out-of-bounds write vulnerability in the BIOS INT 0x15 / E820 memory map handler, implemented in napoca/guests/bios_handlers.c. The handler computes a destination offset into the guest R…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bitdefender Napoca
Bitdefender Napoca Bare-metal Hypervisor — versions all

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve-requests@bitdefender.com (Broken Link)

Frequently asked questions

What is CVE-2026-10046?: CVE-2026-10046 is a high-severity vulnerability in Bitdefender Napoca, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-06-02.
How severe is CVE-2026-10046?: High severity. CVSS v3 base score is 7.8 out of 10.