# CVE-2026-97732: Auth bypass in Ironshield

> A local attacker can bypass authentication in the Ironshield kernel driver by spoofing certificate strings, gaining access to privileged IOCTL functionality.

- **Severity:** Medium 5.1 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Sep 2026
- **Updated:** 25 Sep 2026
- **Also known as:** GHSA-xmqc-9f27-v5xv

## What is CVE-2026-97732?

CVE-2026-97732 is a medium-severity authentication bypass vulnerability in IRONMACE Ironshield, published on 25 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

IRONMACE Ironshield 1.0.0.167 has a tvk.sys kernel-mode driver that authenticates client executables by checking for expected publisher and root-certificate strings in WIN_CERTIFICATE data ("IRONMACE Co., Ltd." and "DigiCert Trusted Root G4") instead of parsing and validating the PKCS signature data. As a result, a local unprivileged attacker may bypass this via crafted certificate data and obtain access to privileged IOCTL functionality.

Weakness: CWE-347 (Improper Verification of Cryptographic Signature)

## Which versions are affected by CVE-2026-97732?


## How do I fix CVE-2026-97732?

No fix has been published for CVE-2026-97732 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-97732 being exploited?

There is no known exploitation of CVE-2026-97732 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-97732 and fix it if it is affected.

What it is: CVE-2026-97732 is a medium-severity authentication bypass vulnerability in IRONMACE Ironshield, published on 25 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-97732 in the wild and no public exploit code.

Affected product: IRONMACE Ironshield. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-97732/ (Markdown: https://insights.sbomify.com/CVE-2026-97732/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-97732
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-97732
- OSV: https://osv.dev/vulnerability/CVE-2026-97732

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-97732/
Summaries are generated and may contain mistakes; the official description above is the record.