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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
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.
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.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-12193 being exploited?
There is no known exploitation of CVE-2026-12193 in the wild and no public exploit code.
Sources
Also known as GHSA-7w6g-hc67-vvxm.