Piriform develops system-optimization and cleaning utilities, most notably CCleaner, a widely installed Windows maintenance tool. The vendor's vulnerability footprint centers on information-disclosure issues that reflect the sensitive data—cached credentials, browsing history, and system artifacts—that cleaning products necessarily access and manage. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Piriform over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
Piriform CCleaner 3.26.0.1988 through 5.02.5101 writes the filenames to disk when overwriting files, which allows local users to obtain sensitive information by searching unallocat | May 20, 2015 | 2.1 | 12 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Piriform.
Media articles that mention a CVE ID that affects a product developed by Piriform — matched by CVE ID, not by vendor name.