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NVD description
The Bitdefender Napoca bare-metal hypervisor contains an out-of-bounds write vulnerability in the real-mode hook handler, implemented in napoca/kernel/handler.c. The handler uses a guest-controlled SS:SP-derived offset as an index into the 1MB RealModeMemory buffer without bounds validation. With SS=0xFFFF and ESP=0xFFFF, the computed offset can reach 0x10FFEF, exceeding the RealModeMemory buffer by 65,519 bytes. The IRET frame push can therefore write past the end of the buffer into the hypervisor heap. The product is end-of-life and unsupported when assigned.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
🔴 Bitdefender Napoca, Out-of-Bounds Write, #CVE-2026-10047 (Critical) -DC-Jun2026-277 https://dailycve.com/bitdefender-napoca-out-of-bounds-write-cve-2026-10047-critical-dc-jun2026-277/
Post summary
The tweet announces the discovery of a critical out-of-bounds write vulnerability in Bitdefender Napoca (CVE-2026-10047), providing its classification but no exploit details or patch information.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | bitdefender | napoca | - | - | - |