WebAdvisor by McAfee 4.1.1.1025

❓ Frequently Asked Questions and Known Security Issues

1. Has McAfee WebAdvisor experienced any known security vulnerabilities?

Yes, McAfee WebAdvisor has had several documented security vulnerabilities over the years. One notable example is CVE-2022-0815, an improper access control vulnerability affecting Chrome and Edge browser extensions up to version 8.1.0.1895. This flaw allowed remote attackers to access WebAdvisor settings and system details, potentially leading to unauthorized changes and targeted scams.
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Additionally, earlier versions were susceptible to malicious file execution vulnerabilities during installation or uninstallation processes, as seen in CVE-2015-8992. These issues underscore the importance of keeping software up to date.
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2. What is the CVE-2022-0815 vulnerability, and how does it affect users?

CVE-2022-0815 is a high-severity vulnerability in McAfee WebAdvisor's Chrome and Edge extensions (versions up to 8.1.0.1895). It allowed remote attackers to gain unauthorized access to WebAdvisor settings and system information. This could lead to unexpected behaviors, such as altered settings, system fingerprinting, and evasion of malicious software detection.
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3. Were there any other significant vulnerabilities in McAfee WebAdvisor?

Yes, in 2019, researchers identified vulnerabilities CVE-2019-3665 and CVE-2019-3666. These flaws allowed malicious websites to bypass WebAdvisor's protections by manipulating frames and unblocking content programmatically. Such vulnerabilities could render the web protection ineffective, exposing users to potential threats.
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4. Has McAfee WebAdvisor been involved in any data breaches?

There is no public record of McAfee WebAdvisor itself being directly involved in a data breach. However, McAfee has provided guidance on steps users should take if they are affected by data breaches in general, emphasizing the importance of vigilance and proactive security measures.
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5. Why do I see fake McAfee pop-up alerts, and how can I remove them?

Fake McAfee pop-up alerts are scams designed to trick users into purchasing unnecessary software or revealing personal information. These pop-ups often mimic legitimate McAfee notifications but are generated by malicious websites or adware. To remove them, users should reset their browser settings, remove suspicious extensions, and run reputable anti-malware scans.
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6. Why is McAfee WebAdvisor blocking all my downloads?

Some users have reported issues where McAfee WebAdvisor blocks all downloads, displaying a "Virus scan failed" message. This problem can arise due to software conflicts or corrupted installations. Uninstalling and reinstalling McAfee WebAdvisor or switching to alternative security solutions like Windows Defender has resolved the issue for some users.
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7. What causes the uihost.exe application error in McAfee WebAdvisor?

The uihost.exe process is part of McAfee WebAdvisor, responsible for its user interface. Application errors related to uihost.exe can occur due to corrupted installations, outdated software, or conflicts with browser updates. To resolve this, users should ensure McAfee WebAdvisor is up to date, reinstall the software if necessary, and check for compatibility with their browser versions.
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8. How can I uninstall McAfee WebAdvisor if it's still present after removing McAfee software?

If McAfee WebAdvisor remains on your system after uninstalling other McAfee products, you can remove it manually:

1. Open the Control Panel.
2. Navigate to Programs and Features.
3. Locate WebAdvisor by McAfee in the list.
4. Right-click on it and select Uninstall.

If it's not visible, restarting your computer and checking again may help.
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