CVE-2026-12410 CCleaner local privilege escalation via link following on uninstall
A local attacker can escalate privileges to SYSTEM by exploiting a link following vulnerability in CCleaner's uninstaller component.
- 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-2026-12410?
CVE-2026-12410 is a high-severity path traversal vulnerability in Gen Digital CCleaner, published on 5 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Link following vulnerability in the Uninstaller component in CCleaner prior to 7.10.1464 on Windows allows a local, low-privileged attacker to escalate privileges to SYSTEM via a symlink/junction created during application uninstallation, which CCleaner follows when deleting the application's data folder with elevated integrity.
Weakness: CWE-59
Which versions are affected by CVE-2026-12410?
How do I fix CVE-2026-12410?
No fix has been published for CVE-2026-12410 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-12410 being exploited?
There is no known exploitation of CVE-2026-12410 in the wild and no public exploit code.
Sources
Also known as GHSA-fgpf-v7cp-xh35.