# CVE-2026-12193: VS Revo RevoUninstaller IOCTL RevoDetector.sys IOCtl_Handler heap-based overflow

> A local attacker can exploit a heap-based buffer overflow in the RevoDetector.sys driver to execute arbitrary code or escalate privileges.

- **Severity:** High 8.5 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Jun 2026
- **Updated:** 15 Jun 2026
- **Also known as:** GHSA-7w6g-hc67-vvxm

## What is CVE-2026-12193?

CVE-2026-12193 is a high-severity memory corruption vulnerability in VS Revo RevoUninstaller, published on 14 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 2.7.0 is sufficient to fix this issue. It is recommended to upgrade the affected component.

Weakness: CWE-122 (Heap-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2026-12193?


## How do I fix CVE-2026-12193?

No fix has been published for CVE-2026-12193 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-12193 being exploited?

There is no known exploitation of CVE-2026-12193 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-12193 and fix it if it is affected.

What it is: CVE-2026-12193 is a high-severity memory corruption vulnerability in VS Revo RevoUninstaller, published on 14 Jun 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-2026-12193 in the wild and no public exploit code.

Affected product: VS Revo RevoUninstaller. 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-2026-12193/ (Markdown: https://insights.sbomify.com/CVE-2026-12193/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-12193
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-12193
- OSV: https://osv.dev/vulnerability/CVE-2026-12193

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-12193/
Summaries are generated and may contain mistakes; the official description above is the record.