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Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 2 Has CVE 2

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Impact type Code execution 1 Privilege escalation 0 Security bypass 0 Information disclosure 1 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

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Requirements No authentication 2 No user interaction 0

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Weakness (CWE) CWE-200 Exposure of Sensitive Information to an Unauthorized Actor 1 CWE-506 Embedded Malicious Code 1

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TI-2017-14267 CVE-2017-20201 · GHSA-mqc2-pwjw-2w78

CCleaner v5.33.6162 & CCleaner Cloud v1.07.3191 Malicious Backdoor Supply Chain Compromise

Priority HIGH 75

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 (32-bit builds) contained a malicious pre-entry-point loader that diverts execution from __scrt_common_main_seh into a custom loader.

CVSS 4.0CRITICAL 9.3· Network · No auth · User interaction · EPSS 0.0053 · Published 2025-10-08 · No fix listed CWE-506

TI-2015-03380 CVE-2015-3999 · GHSA-g58q-h4q2-m9q3

Piriform CCleaner 3.26.0.1988 through 5.02.5101 writes the filenames to disk when…

Priority LOW 12

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 unallocated disk space.

CVSS 2.0LOW 2.1· Local · No auth · Interaction — · EPSS 0.00524 · Published 2015-05-20 · No fix listed CWE-200

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